Complexones
氨羧络合剂; 络合滴定试剂
🗣️ 情景例句
Can you work under pressure?
你能在压力下工作吗？
If you can't remember, just try to guess.
假如你想不起来，就猜一猜看。
I have just received a letter from my old school, informing me that my former headmaster,
我刚刚收到母校的一封信，通知我说以前的校长