Leonite
钾镁矾
🗣️ 情景例句
and you can listen to him over the phone.
而且你可以在电话中听到他的声音。
Where love fails,we espy all faults.
爱情一失败，一切毛病都发现。
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。