Density separation
[化] 密度分离; 密度分离法; 比重分离法
🧩 词语组成解析
🗣️ 情景例句
if that's what you mean.
是这个意思吧。
No great loss without some small gain.
塞翁失马，安知非福。
but when she got out at her own floor, both were forgotten in her sudden discovery that her front door was open.
但她到自己的楼层走出电梯后，就把这两件事忘了个干净，因为她突然发现她家的大门开着。