Molions
[化] 帶負(fù)電荷的惰性氣體原子群
??? 情景例句
I have been a secretary in an insurance company.
我一直在一家保險(xiǎn)公司擔(dān)任秘書(shū)工作。
It's no use pumping a dry well.
徒勞無(wú)益。
it is now possible not only to locate a shoal but to tell if it is herring, cod, or other well-known fish, by the pattern of its echo.
不僅能夠確定魚(yú)群的位置，而且可以根據(jù)魚(yú)群回聲的特點(diǎn)分辨出是鯡魚(yú)、鱈魚(yú)，這是人們所熟悉的其他魚(yú)。