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
He is on another line right now.
他正在接另一个电话。
But, at the same time, they wish he weren't going so far away.
但同时，他们希望他不要离得这么远。
May I help you?
我能帮忙吗？