Sonodome
声纳导流罩
🗣️ 情景例句
It hung over Susan's crib.
Susan的小床也曾有过。
How long will you be away?
你将离开多久？
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。