共50条信息
“天哪，”我大声说，“重力改变了，看来走路也的确需要练一练了。”
“Oh dear,” I cried, “walking _________ need a bit of practice ___________ __________ gravity has changed.”
行走在太空需要一点练习，既然重力改变了。
___________ __________ you put your hand to the work, you should try your best to finish it.
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