Fpf
[医][=fetal pulmonary fluid]胎儿肺液
🗣️ 情景例句
Have you any experience with a computer?
你有使用电脑的经验吗？
An ass endures his burden,but not more than his burden.
驴子能负重，过重也难负。
We want it to stay down the hole until we can lead it off in a controlled manner.
我们要让石油留在井下，直到我们能用一种有控制的方法把它引上来为止。