Boundary relation
[化] 边值关系
🧩 词语组成解析
🗣️ 情景例句
I am, too, Son.
我也很高兴， 儿子。
Good evening,Mrs. Brown.
晚上好，布朗夫人。
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。