| 单词 | sudden oak death |
| 释义 | oak /ōk/noun
Made of oak ORIGIN: OE āc; ON eik, Ger Eiche oaked adjective (of wine) fermented in an oak barrel oakˈen adjective (old or poetic) Made of oak oakˈling noun A young oak oakˈy adjective
oak apple noun A gall caused by an insect on an oak Oak-apple Day noun 29 May, the anniversary of the Restoration in 1660, when country boys used to wear oak apples in commemoration of Charles II hiding in the branches of an oak (the Royal Oak) from Cromwell's troopers after the Battle of Worcester oak eggˈer noun An egger moth whose caterpillars feed on oak oakˈenshaw noun A little oak-wood oak fern noun A fern (Thelypteris dryopteris) of the polypody family (translation of Gr dryopteris, a name perh given to ferns growing on oak trees, transferred by Linnaeus to this species) oak gall noun A gall on an oak tree caused by an insect of the Cynipidae family oakˈ-leaf noun oak-leaf cluster noun (US) A form of additional military decoration oak leather noun A fungus mycelium in the fissures of old oaks oak lump noun The lichen lungwort oak mast noun Acorns collectively oakˈ-nut noun A gall on the oak oak tree noun oak wilt noun A serious fungal disease of oak trees, causing wilting and discoloration of foliage oakˈ-wood noun sport one's oak (university sl, chiefly Oxford and Cambridge) To keep one's outer door shut when one does not want visitors sudden oak death see under sudden The Oaks A classic English horse race (founded 1779) for three-year-old fillies, named after an estate near Epsom sudden /sudˈn/adjective
Suddenly ORIGIN: Anglo-Fr sodain, from L subitāneus sudden, from subitus approaching stealthily, from subīre, -itum, from sub in the sense of ‘secretly’, and īre to go suddˈenly adverb suddˈenness or (Scot; rare) suddˈenty noun sudden death noun (sport) An extended period of play to settle a tied contest, ending when one of the contestants scores sudden infant death syndrome see cot death under cot1 sudden oak death noun A destructive disease of oak trees caused by the fungus Phytophthora ramorum sudden unexplained death syndrome noun A mysterious condition, particularly affecting young men of SE Asian origin, in which sudden death occurs from unknown causes, and usu without previous symptoms of illness (abbrev SUDS) all of a sudden All at once, suddenly |
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