Smogs
n. 烟雾( smog的复数形式 )
🗣️ 情景例句
Can I count on you to help me?
我能仰仗你的协助吗？
In university, students are trained to become lawyers and dentists.
大学的学生被训练成为律师和牙医。
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。