Preconcentrator
[化] 预浓缩器
🗣️ 情景例句
We're going to go to lunch in a few minutes, honey.
我们一下子就去吃中餐， 亲爱的。
Where there's reek there's heat.
无风不起浪。
we are now pretty certain the Earth is the only one on which life can survive.
我们目前可以肯定的是，地球是生命能存在的唯一行星。