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,

化为
条窄
,

化为
小
(
须发达)。
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In an anatomical female, that involves the vulva, which includes the mons pubis over the pubic bone, and labia majora and labia minora — the elongated skin folds that surround the vestibule, which contains both the urethral and vaginal openings.
在解剖学女性中,这涉及外
,包括耻骨上的耻骨,

和小
——前庭周围的细长皮肤褶皱,前庭包括尿道口和
道口。