what travels around the earth without using any fuel?

what travels around the earth without using any fuel? What travels around the earth without rockets?帮忙分析句子成分! 英语智力题：What travels around the world and stay in a corner? Little stars are twinkling at night. What travels around the earth without rockets? 详细分析句子成 The earth travels around the s------. What always travels on foot? _____is known to all is that the earth travels around the sun为啥不用as,用what,那什么情况下用as it is light .It travels around the world but still stays in one corner .What is it?这是英语的问题, What goes around comes around. what goes around comes What Does Around 翻译What Does Around 英语脑筋急转弯 What always travels on foot? What always travels on foot怎么读?…… 'what goes around,comes around'(求翻译) 翻译：what goea around comes around. What gose around comes around.怎样翻译? what is known to everybody is that the moon travels around the earth once every month该句子的结构是什么用what 引导,连词在从句中充当主语,表语或状语在该句中,哪部分缺少主语啊