Unlike other molluscs, bivalves lack a radula and feature labial palps, which carry food from the gills to the mouth.
与其他软体动物不同的是,双壳贝缺乏齿舌,具有唇瓣,可将食物由鳃送到口部.
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).
上颚消失，上唇退化为一条窄横片，下唇退化为一小片（下唇须发达）。
原声例句
逍遥法外 第二季
Blood pressure's 70 over palp. Pulse is thready.
血压，收缩压70，舒张压微弱。
实习医生格蕾 第2季
His BP's holding steady at 90 over palp. She's had two hypotensive episodes to the low 70s.
他的血压稳定在90之上。她有过2次低血压，最低有过70s。
实习医生格蕾 第2季
Male, 46, unrestrained driver of the car that jumped lanes. B.P. 80 over palp, tachycardic, last pulse — 138.