Constraints
n. 强制( constraint的复数形式 ); 限制; 约束
🗣️ 情景例句
Please come and see me in my office on the 20th floor.
请到二十楼我的办公室来见我。
To drop
掉下
While you are on the phone, the baby pulls the tablecloth off the table, smashing half your best crockery and cutting himself in the process.
就在你接电话时，孩子把桌布从桌子上扯下来，将家中最好的陶瓷餐具半数摔碎，同时也弄伤了他自己。