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
I can't help you now, I'm on my coffee break.
我现在帮不了你，我正在休息、喝咖啡。
He notices something.
他察觉到了某种东西。
I am a football fan.
我是个足球迷。