Chromatographing
[化] 色谱分析
🗣️ 情景例句
I'd like to check this book out.
我想借这本书。
He wants to work for a while before he returns to college.
他希望返回学校之前暂时工作一段。
Don't touch anything unless your teacher tells you to.
除非老师允许，否则你不要动任何东西。