| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024bound1 /baʊnd/USA pronunciation v. - a pt. and pp. of bind.
adj. - tied;
in bonds:a bound prisoner. - made fast as if by a band or bond.
- secured within a cover, as a book:a bound book.
- Law under an obligation:[usually: be + ~]Even the police are bound by laws.[~ + to + verb]I felt bound to tell you what they say about you.
- certain;
sure:[be + ~ + to + verb]He's so fast he's bound to win the race.[It + be + ~ + to + verb]It is bound to happen.
Idioms- Idioms bound up with or in, [be + ~ + object]
- Idiomsvery closely connected with:Her future is too bound up with his career.
- Idiomsdevoted or attached to:I've been bound up in this project for years.
bound2 /baʊnd/USA pronunciation v. [no object]- to move by leaps;
jump:He bounded out the door. - to rebound;
bounce:He started to fall, but then bounded off the wall as he went down.
n. [countable] - a leap onward or upward;
jump:With a great bound, the dog flew out the window. - a rebound;
bounce.
bound3 /baʊnd/USA pronunciation n. [countable]- Usually, bounds.[plural] limit or boundary: within the bounds of reason.
v. [usually: be + bounded by] - to limit by or as if by bounds:Spain is bounded on the east by Portugal.
Idioms- in bounds, within official boundaries:They ruled that the player was in bounds.
- Idioms out of bounds,
- beyond or past official boundaries:threw the ball out of bounds.
- forbidden;
prohibited:[Drinking alcoholic beverages is out of bounds for her.]
bound4 /baʊnd/USA pronunciation adj. [be + ~ + for]- going or intending to go;
destined;
heading for: The train is bound for Denver.
-bound1 ,combining form. - Use -bound after certain nouns to mean "stuck or surrounded by (something)'':snow + -bound → snowbound (= stuck in and surrounded by snow).
-bound2 ,combining form. - Use -bound after words of direction to indicate "going to;
heading toward'':east + -bound → eastbound (= going to the east;heading toward the east).
WordReference Random House Unabridged Dictionary of American English © 2024bound1 (bound),USA pronunciation v. - pt. and pp. of bind.
adj. - tied;
in bonds:a bound prisoner. - made fast as if by a band or bond:She is bound to her family.
- secured within a cover, as a book.
- Lawunder a legal or moral obligation:He is bound by the terms of the contract.
- destined;
sure;
certain:It is bound to happen. - determined or resolved:He is bound to go.
- Pathologyconstipated.
- Mathematics(of a vector) having a specified initial point as well as magnitude and direction. Cf. free (def. 31).
- Chemistry, Physicsheld with another element, substance, or material in chemical or physical union.
- Linguistics(of a linguistic form) occurring only in combination with other forms, as most affixes. Cf. free (def. 34).
- bound up in or with:
- inseparably connected with.
- devoted or attached to:She is bound up in her teaching.
- past participle and past tense of bind
- 5.See corresponding entry in Unabridged liable, obligated, obliged, compelled.
bound2 (bound),USA pronunciation v.i. - to move by leaps;
leap;
jump;
spring:The colt bounded through the meadow. - to rebound, as a ball;
bounce:The ball bounded against the wall.
n. - a leap onward or upward;
jump. - a rebound;
bounce.
- Middle French bond a leap, bondir to leap, origin, originally resound Vulgar Latin *bombitīre for *bombitāre to buzz, whiz (Latin bomb(us) (see bomb) + -it- intensive suffix + -ā- thematic vowel + -re infinitive suffix)
- 1545–55
- 1.See corresponding entry in Unabridged See skip 1.
bound3 (bound),USA pronunciation n. - Usually, bounds. limit or boundary:the bounds of space and time;within the bounds of his estate;within the bounds of reason.
- something that limits, confines, or restrains.
- bounds:
- territories on or near a boundary.
- land within boundary lines.
- [Math.]a number greater than or equal to, or less than or equal to, all the numbers in a given set. Cf. greatest lower bound, least upper bound, lower bound, upper bound.
- out of bounds:
- beyond the official boundaries, prescribed limits, or restricted area:The ball bounced out of bounds.
- forbidden;
prohibited:The park is out of bounds to students.
v.t. - to limit by or as if by bounds;
keep within limits or confines. - to form the boundary or limit of.
- to name or list the boundaries of.
v.i. - to abut.
- Medieval Latin budina, of uncertain origin, originally; compare bourn2
- Anglo-French; Old French bone, bonde, variant of bodne
- Middle English bounde 1175–1225
- 1.See corresponding entry in Unabridged border, frontier, confine.
bound4 (bound),USA pronunciation adj. - going or intending to go;
on the way to;
destined (usually fol. by for):The train is bound for Denver. - [Archaic.]prepared;
ready.
- Old Norse būinn, past participle of būa to get ready
- Middle English b(o)un ready 1150–1200
- a combining form of bound 1 : snowbound.
-bound2 ,- a combining form of bound 4 : eastbound.
|