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单词 extend
释义 ex·tend
\ikˈstend, ek-\ verb
(-ed/-ing/-s)
Etymology: Middle English extenden, from Middle French or Latin; Middle French estendre, extendre, from Latin extendere, from ex- ex- (I) + tendere to stretch — more at thin
transitive verb
1. [Middle English extenden, from Medieval Latin extendere (from Latin) or Anglo-French estendre, from Old French estendre, extendre]
 a. Britain : to assess the value of (as lands or buildings)
 b. Britain : to take possession of by a writ of extent
 c. obsolete : to take by force : seize
2. : to lay out at full length
 < with his body extended on the ground >
: put into a horizontal and usually straight position
 < extending their arms in front of them >
: straighten out (as a limb or other bodily part) : unbend
 < alternately flexing his arm and extending it >
3.
 a. : to stretch out especially forcibly : stretch out to the fullest length
  < with the sails extended by yards >
 b. obsolete : to stretch, fill, or inflate beyond normal limits : strain, distend
 c. : to cause (as a horse) to move at full stride
  < a promising racehorse that had so far never been really extended >
  : push to full stride
 d. : to apply or exert (oneself) energetically or to full capacity
  < people who would rather accept federal bounties than extend themselves — F.L.Allen >
  < his capacity for handling an immense amount of work without appearing to extend himself — Lamp >
 e. : to increase the quantity or bulk of (a product) by the addition of a relatively inexpensive or otherwise readily available substance so as to reduce cost, improve efficiency, or attain other desired effects
  < extending ground meat with cereal >
 sometimes : adulterate
4.
 a. : to stretch forth : hold out
  < she extended both her hands to him — W.F.deMorgan >
  < a bald eagle with its wings extended >
 b. : to present for acceptance or rejection : make the offer of : proffer
  < extending their greetings >
  < extended hospitality to them >
 c. : to make available (as a fund or privilege) often in response to an explicit or implied request : grant
  < financial aid will be extended where needed — Paul Wooton >
5.
 a. : to cause to stretch out or reach (as from one point to another)
  < extending the railroad to the next city >
  : cause to span an interval (as of distance, space, or time)
  < a rope bridge was extended over the chasm >
  : push to a farther point
  < extending the frontiers of knowledge >
  < city boundaries were extended to take in the entire county — American Guide Series: Pennsylvania >
  : open out (a compass)
 b. : to cause to be longer : lengthen, prolong, protract
  < extending their visit >
 specifically : to prolong the time of payment of (as a debt) beyond the time originally stipulated
 c. : to cause to project in one or more directions : stick out
  < when disturbed, the creature extends its spines >
 d. : to bring to a further degree of development
  < the Anglo-Saxons extended the use of the plow — L.D.Stamp >
  : cause to be more nearly complete or perfect : advance, further
  < extending man's knowledge of the universe >
  < the rest of the decade consolidated and extended those gains — Oscar Handlin >
 e. : to transfer (figures) from one column to another (as in bookkeeping) : carry forward
 f. : to compute the amount of (as in accounting) : indicate the amount of
  < the credit balance will be extended on the accounts >
6.
 a. : to cause to be of greater area or volume
  < extending the surface of metal plates by hammering >
  : increase the size of : enlarge : make greater in extent
  < trying to extend its staff of trained personnel >
 b. : to increase the scope, meaning, or application of
  < extending the sense of a word >
  < the name … was easily extended to the new land — P.E.James >
  < extend the force of the laws >
  : increase the action or capacity of
  < beauty, I suppose, opens the heart, extends the consciousness — Algernon Blackwood >
  : make more comprehensive, inclusive, or intensive : broaden, amplify
  < extending the range of their duties >
 c. archaic : to enlarge upon in imagination : exaggerate
 d. : to write out (as shorthand notes) in expanded form : write out or set forth in detail
intransitive verb
1. : to stretch out (as in distance, space, or time) : range
 < rugged hills and ravines extend in all directions — American Guide Series: Minnesota >
 < occupation of the fortress extended from the second century B.C. to the first century A.D. — J.E.M.White >
: reach, spread
2. : to span an interval (as of distance, space, or time)
 < an ancient bridge extends over the river >
3. : to jut out : stick out : protrude, project
 < through a cupola … extends a thin square chimney — American Guide Series: Minnesota >
 < fruit trees that extended out over the farm fences — Sherwood Anderson >
4. of a serviceman : to agree to remain on active duty for another term
Synonyms:
 lengthen, elongate, prolong, protract: extend, like others in this group, applies to a drawing out in length; it may suggest also similar or comparable drawing out in breadth, size, or range
  < extend a road >
  < an extended trip >
  < extending his vacation >
  < federal grants to the states to extend and improve their health and welfare services for mothers and children — Americana Annual >
  lengthen is likely to refer to what constitutes or may be thought of as similar in some way to a line
  < lengthen a road >
  < a lengthened period >
  < the lengthening of the average life span by more than twenty years since the last century — Collier's Year Book >
  elongate suggests a stretching out resulting in a long narrow frame or shape or to unusual length
  < elongated fibers >
  < an elongated segment >
  < the old man's gaunt and elongated frame >
  prolong is likely to indicate a drawing out or stretching out in duration
  < a prolonged discussion >
  < withstanding a prolonged siege >
  < a strange, secret life, prolonged for half a century in Paris — Van Wyck Brooks >
  protract, often close to extend or prolong, may suggest needlessness, boredom, vexation, indefiniteness
  < litigation protracted through a decade >
  < the protracted interruption of steel production by labor difficulties — Americana Annual >
  < his temptation will be to protract negotiations on the minor points still outstanding — New Statesman & Nation >
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更新时间:2025/7/29 6:20:27