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
Give me a call later, Malcolm.
请稍后打电话给我 ,Malcolm。
There was much news in the morning paper today.
今天的晨报上有许多新闻。
Then, her composure regained, she was ready to set off with the porter's assistance to search for nay intruders who might still be lurking in her flat.