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 that will help.
假如那样有所帮助的话。
Is that so?
是这样子的吗？
He must strive continually to think of, and use, form in its full spatial completeness.
他必须勤于想像并且利用形体在空间中的完整性。