;
;The mandibles are usually lost, the labrum is reduced to a narrow transverse sclerite, and the labium is a small flap ( though its palps retain quite large).
颚消失，唇退化为一条窄横片，下唇退化为一小片（下唇须发达）。
词条纠错
X
labium
n. 唇,阴唇,下唇瓣
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相似单词
labiovelar, labiovelarize, labioversion, labite, labitome, labium, lablab, labor, labor agreement, labor contract,
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