Hardeners
(hardener 的复数) n. 硬化剂\\n[计] 固化剂, 硬化剂
🗣️ 情景例句
You can play it practically anywhere. How good are you at it, Mr. Lu?
你可在任何地方练习球。陆先生，你擅长乒乓球吗？
You must go to the moon. It's your duty.
你必须上月球去，这是你的职责。
I like reading English books, but they're sometimes rather hard.
我喜欢看英语书，但有时候英语书相当难读。