Ferrous acid
[化] 铁酸
🧩 词语组成解析
🗣️ 情景例句
Yes. It's the anniversary of one of our important revolutionary movements.
是的。它是中国一个重大革命运动的纪念日。
While the grass grows the horse (or steed) starves.
远水救不了近火。
There are rare instances when justice almost ceases to be an abstract concept.
在个别情况下，正义不再是一种抽象概念。