Prfa
[医][=plasma recognition factor activity]血浆识别因子活性
🗣️ 情景例句
Can I use your car for a couple of hours?
我们能借你的车用几个小时吗？
In the United States ,there are many factories for making cloth.
在美国，有许多造布的工厂 。
The seed was sprayed over the ground in huge quantities by aeroplanes.
飞机把这种草籽大量地撒播在地上。