Layered column chromatography
[化] 层叠式柱色谱法
🗣️ 情景例句
I never really thought about being a mother as a career.
我真的从来没有想到做母亲还是一种事业。
He's been out of a job for months.
他已经失业好几个月了。
But there are some parts of the word where even now people cannot write.
但直到现在,世界上有些地方,人们还不会书写。
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