之所以把这些土星B环上小云团称为“轮辐”是因为他们看上去很像自行车车轮上的辐条。
They dubbed these features in Saturn's B ring "spokes" because they looked like bicycle spokes.
他自行车车轮上的轮辐丢了，得再买一个装上去。
A spoke on his bicycle was lost, so he had to buy another one and fix it.
用户重视欧姆磁铁，自行车车轮辐条。
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