Polarogarphy
极谱分析法
🗣️ 情景例句
You had better study hard.
你最好努力学习。
If you want a thing (well) done, do it yourself.
要想做好事情，就要自己动手。
I'm sorry to have done that. I didn't mean to be so rude.
我为那样做感到抱歉。我并不想那样粗鲁的。