Phosphomolybdic acid (pma)
[化] 磷钼酸
🧩 词语组成解析
🗣️ 情景例句
Fine. And you?
很好。你怎么样？
She fears Tom will drop out of school.
她担心汤姆会休学。
My brother has never been abroad before, so he is fending this trip very exciting.
我弟弟以前从未出过国，因此，他觉得这次旅行非常激动人心。