Complexant
配位剂
🗣️ 情景例句
Oh, I date occasionally,
哦 ，我偶尔约约会。
What is done by night appears by day.
若要人不知，除非己莫为。
Now, this is the chemistry lab. Have you been in this lab before?
好啦，这是化学实验室。你们以前到过这个实验室吗？