Phosphonate
膦酸盐, 膦酸酯
🗣️ 情景例句
I've turned over the management of my affairs to my brother.
我已经把我的事务托付给我的兄弟去处理。
What do you want?
你到底想怎样？
first, those whose work is work and whose pleasure is pleasure;
第一类是分清工作是工作，娱乐是娱乐的人；