Phosphenous acid
[化] 氧卑膦酸
🧩 词语组成解析
🗣️ 情景例句
Who is that?
那是谁呀？
Care brings grey hair.
忧虑催人老。
He lived in this century, was born in Germany and spent the last part of his life in the USA.
他生活在本世纪，出生于德国，在美国度过了他的晚年。