Phosphinate
亚膦酸盐, 亚膦酸酯
🗣️ 情景例句
I don't usually listen to the weather. They never get it right!
我不怎么听天气预报。他们总报不准。
I'm sorry. I was just playing football with my friends.
对不起，我只是和朋友去踢了足球。
Where are the cups?
茶杯在哪儿呢？