Nefa
[化] 非酯化脂肪酸; 游离脂肪酸
🗣️ 情景例句
The professor runs a restaurant on the side.
这个教授的副业是开饭馆。
How much does it coat?
它值多少钱？
Looking up I saw that we were surrounded by children in rags who were looking at us silently as we ate.
我抬头一看，发现我们被一群衣衫褴褛的小孩团团围住了，他们在默不作声地看着我们吃饭。