Mars has two small satellites. Even the larger one is no more than 13 km in radius. Unlike the Moon, they are not round in shape.
英
美
- 火星有两颗很细小的天然卫星,较大一颗的半径也不到13 km它们都不是球形的,却倒像两颗马铃薯。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
