Complexant
配位剂
🗣️ 情景例句
What do you love about it?
你最喜欢中间的什么？
I am Lao Haoren, executive manager of the sales department of Stone International.
我叫劳浩仁，“世通国际”的销售部经理。
Could you come here, please? I want some help.
你能来这儿一下吗？我需要帮忙。