英语词汇“lower covert”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	lower covert
释义	lower covert noun : a covert on the undersurface of the wing or tail of a bird — usually used in plural
随便看	tropeolin troper tropesis troph troph- trophaeum trophal trophallactic trophallaxis trophamnion trophectoderm trophema trophi trophic trophic -trophic trophically trophic level trophied -trophies trophies trophies trophis trophism tropho

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