Pervanadate
过钒酸盐
🗣️ 情景例句
All right. We'll make close study about it and give you reply as soon as possible.
很好。对这个问题我们将仔细研究一下，尽快给你们答复。
Buyers always pay great attention to packing.
买方通常很注意包装。
Mr.Sawyer comes home from work.He arrives home late.
索耶先生下班回家。他到家很晚。