Microparticle
n. 微粒子
🗣️ 情景例句
What did you do?
那你们怎么办呢？
Look not for musk in dog's kennel.
狗嘴里吐不出象牙。
and we control it by means of the mud which we circulate down the drill pipe.
我们让泥浆顺着钻杆向下循环，用这种方法来控制压力。