Schaffer's acid
[机] 谢佛酸
🧩 词语组成解析
🗣️ 情景例句
I'm afraid the cardboard boxes are not strong enough for transport by sea.
我担心这种纸箱，用于远洋运输，不够结实。
You should take the advice of your teacher.
你应该听老师的话？
Yes, it is.
是的。