Plug(thumb screw)
[化] 蝶形螺塞
🗣️ 情景例句
He keeps himself fit by running 5 miles every day.
他每天跑五公里以保持身体健康。
You should be punctual for appointments.
你应该准时赴约。
The intellectual, who is working on some abstruse problem, has everything coordinated and organized for the matter in hand.
一个专心钻研某个复杂问题的知识分子，为了搞好手头的研究，要把一切都协调一致，组织周密。