Chemex
化学交换(同位素浓缩)过程
🗣️ 情景例句
Oh, it's going to be all right.
不会有问题了。
She's not at her desk right now.
这会儿她不在办公室办公。
Then, jumping into the car, he drove off as quickly as he could.
然后跳进车里，以最快的速度把车开走了。