Stepwise elution
[化] 分阶洗脱
🧩 词语组成解析
a. 楼梯式的, 逐步的
n. [化]洗提
🗣️ 情景例句
Yes?
什么？
Bill was very jumpy as he waited for the phone to ring.
贝尔忐忑不安地等着电话来。
We can offer you this in different levels of quality.
这产品我们有三种不同等级的品质。