Complexones
氨羧络合剂; 络合滴定试剂
🗣️ 情景例句
Macro adjustment is needed in a market economy.
市场经济需要宠观调控。
How much do you charge for sending a cable transfer to London?
发一张到伦敦的电汇，要收费多少？
'Certainly,' the girl said.
“当然可以，”那姑娘说。