Invar
n. 不变钢\\n[化] 殷钢; 不胀钢; 因瓦合金
🗣️ 情景例句
Who is it?
是谁?
I like playing football.
我喜欢踢足球。
Oh, and by the way, my wife wants to know if Mary needs any help.
喔，顺便问一问，我妻子想知道玛丽是否需要帮忙。