Complexant
配位剂
🗣️ 情景例句
Well, hi, fellas.
你们大家好。
Could you tell me where is the bus stop?
你能不能告诉我公共汽车站在哪里？
And, because most books were not printed in Braille.
因为大多数的书本没用布莱叶文印刷。