Phosphinate
亚膦酸盐, 亚膦酸酯
🗣️ 情景例句
I can't wait to get back home and see everyone again.
我迫不及待地想回国看看。
I'm always disappointed when I don't get any mail.
当我收不到任何邮件时，我总是很失望。
it would take about 700 years for half of us to die,
那么我们当中的一半人过700年才会死去，