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
You have some guests in the reception room.
有几位客人在接待室等 。
Her children are a disappointment to her.
她的孩子让她感到失望。
While she always criticized the fickleness of human nature, she carried on an unrelenting search for the ideal servant to the end of her days,
她一方面总是批评人的本性朝三暮四，另一方面她又持之以恒地寻找一个理想的佣人。