Etching(re) agent
[化] 蚀刻剂
🧩 词语组成解析
🗣️ 情景例句
My professor will grade this exam on a curve.
我的教授用曲线系统打分。
We look forward to your quotations for the arts and crafts which we are interested in.
希望贵方对我们感兴趣的工艺品报一下价。
Had he worked harder, he would have gotten though the exams.
如果他努力了的话，他就会通过考试的。