Preparative partition chromatography
[化] 制备分配色谱法
🧩 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
Maybe you can teach me how to work on a computer someday.
改天你教教我如何使用电脑吧。
Excuse me for a moment, please.
对不起失陪一下。
However, in recent times the old-age pension has only been paid to the poorest people because there has been an increase in the number of people out of work.189
然而阳近一段时间，老年养老金只付给那些最穷的人，因为失业的人数一直在增长。