Ferrous acid
[化] 铁酸
🧩 词语组成解析
🗣️ 情景例句
I can see what needs to be done and do it.
我能了解该做什么并切实去做。
To intercept
阻止
but that was precisely the idea adopted in some of the early instruments (seismometers) for recording earthquake waves.
但是早期记录地震波的仪器（测震仪）正是采用了这种思路。