Preparative chromatography
[化] 制备色谱法
🧩 词语组成解析
a. 准备性的, 预备性的\\nn. 预备, 准备, 预备信号
n. 色谱法\\n[化] 色谱法; 层析法
🗣️ 情景例句
He had a great capacity for learning.
他的学习能力很强。
If you're not sure how to do is, ask me.
假如你拿不准怎样做，就来问我好了。
Well, we can't take Polly with us. Could you look after her for me while we're away?
嗯，我们不带波利去。我们不在这里时，您能帮我照料它吗？