例句:
"Space travel will become more common in the future." (未来太空旅行将变得更常见。)
"He has always dreamed of going on a space travel." (他一直梦想着去太空旅行。)
"Space travel requires a lot of preparation and training." (太空旅行需要大量的准备和训练。)
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最佳回答 2023-12-04