Massenfilter
[机] 四极质谱仪
🗣️ 情景例句
but you've left out street performance. The mimes.
但你忽略了街头表演。幽默剧演员啦，
Lightly gain,quickly lost.
来得容易去得快；不义之财，理无久享。
We don't have space in the warehouse for it.
我们仓库没有空位了。