Actinyl
[化] 錒系酰; 錒系元素酰
??? 情景例句
The bridge is about three hundred and eighty-five feet long.
橋長約三百八十五英尺。
He who despises small things seldom grows rich.
小錢不計，大錢不聚。
Often, we help them with the harvest.
我們經常幫助他們收割。