Chemically pure
[化] 化学纯
🧩 词语组成解析
adv. 用化学, 以化学方法
🗣️ 情景例句
Turn the key before you pump the pedal, or you'll flood the engine.
加水之前转动钥匙，要不发动机就给浇灭了。
I read the newspaper over breakfast.
我边吃早饭边看报纸。
Don't worry. I can help him.
不用着急，我来帮他。