Semiformal
a. 半正式的
🗣️ 情景例句
Thank you.
谢谢 。
How many boxes are you going to use?
你要用几盒？
The spheres had been magnetized and attracted or repelled each other all the time.
金属球经过磁化，互相之间不停地相互吸引或相互排斥。