Toughening agent
[化] 增韧剂
🧩 词语组成解析
v. （使某物[人]）坚韧, 坚强, 强硬( toughen的现在分词 )
🗣️ 情景例句
Oh, you really had a bad day.
哦 你们真的没玩好。
Shallow streams make most din.
修养不深，高谈阔论。
I had not laughed since I became deaf.
我耳聋后就从来没有笑过。