Preregistration
n. (办理正式手续前的)预先登记,预先注册
🗣️ 情景例句
I have many hobbies. I like almost all kinds of sports and I also like classical music.
我有很多爱好，喜欢各种运动，也喜欢古典音乐。
The wine in the bolttle does not quench thirst.
瓶中之酒不解渴。
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。