Tappet
n. 梃杆, 凸轮从动件\\n[机] 挺杆
📖 牛津释义
tappet
n
projection in a piece of machinery that causes a certain movement by tapping against sth, used eg to open and close a valve 挺杆.
🗣️ 情景例句
If we hire you, how long will you stay with us?
你打算给我们工作多久？
Think of the devil and he's looking over your shoulders.
说到曹操，曹操就到。
Excuse me. Is there a police-station near here?
请问，附近有警察局吗？