B-47s
【航空学】一种有六引擎喷气发动机的轰炸机
🗣️ 情景例句
How do you spell it?
如何拼写？
I owe you one.
我欠你一个人情。
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。