Valve pit
[化] 閥井
?? 詞語組成解析
valve
[v?lv]
n. 閥;真空管;（管樂器的）活栓;（心臟的）瓣膜;
vt. 裝閥于;以活門調(diào)節(jié);
pit
[pit]
n. 井;煤礦;麻子;（賽車道旁的）修理加油站;
vt. 使有麻子;使有凹陷;
vi. 凹陷;起凹點(diǎn);
??? 情景例句
Better late than never.
遲做總比不做好。
Continual failure drove him to suicide.
不斷的失敗逼得他自殺。
So there were many people in the doctor's waiting room.
所以醫(yī)生的候診室里有很多人。