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
We would adopt payment by instalments for our present practice,
这次交易我们将采取分期付款方式，
That's a good idea.
好主意。
As soon as this was done, they cooked a meal over an open fire.
这件事刚刚做完，他们就在篝火上烧起了饭。