每秒几百公里的旋转速度可能使圆盘里的物质呈现象宇宙玩具风车一样独特的螺旋形。
This spinning motion, at speeds of hundreds of kilometers per second, may cause matter in the disk to take on a distinctive spiral shape like a cosmic pinwheel.
看了《灰姑娘》的电影后，我那5岁的女儿开始用玩具风车当墨棍，扮演起童话中的教母来。
After watching the movie Cinderella, my five-year-old daughter started using her pinwheel as a magic wand, pretending she was fairy godmother.
你最喜欢的玩具是什么？我喜欢风车？
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