英语词汇“rhamphotheca”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	rhamphotheca
释义	rhamphotheca Ornith.\|ræmfəʊˈθiːkə\| [mod.L. (J. C. W. Illiger Prodromus Systematis Mammalium et Avium (1811) 150), f. Gr. ῥάµϕος beak + θήκη sheath.] The modified integument, usu. horny but in some birds leathery, that covers the jaws and forms the bill. 1870Baird & Cooper Ornithol. I. 567 Ramphotheca [indexed as rhamphotheca], the horny covering, or sheath of the jaws.1890[see gnathotheca s.v. gnatho-].1972P. Stettenheim in D. S. Farner et al. Avian Biol. II. i. 45 In ptarmigans (Lagopus spp.) and certain other grouse (Tetrao spp.), the rhamphotheca is shed intact after the breeding season.
随便看	tut tutage tutament tutaneg tutang tutania tutch tutche tute tutee tutel tutelage tutelar tutelary tutele tuteler tute-mowitt tutenag tuther tut-hoo tutia tutie tutill tutiorist tutivillar

英语词典包含277258条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。