Qms
[化] 四极质谱仪
🗣️ 情景例句
It doesn't take long for most pop icons to become yesterday's news.
大多数偶像明星很快就会成为昨日黄花。
A wise man changes his mind, a fool never will.
智者通权达变，愚者刚愎自用。
While he was eating, I asked him to lend me twenty pounds.
当他吃饭时，我提出向他借20英镑。