YOU SAID:
what is the most efficient form of space travel?
INTO JAPANESE
宇宙旅行の最も効率的な形式は何ですか?
BACK INTO ENGLISH
What is the most efficient form of space travel?
INTO JAPANESE
宇宙旅行の最も効率的な方法は何ですか?
BACK INTO ENGLISH
What is the most efficient way of space travel?
INTO JAPANESE
宇宙旅行の最も効率的な方法は何ですか?
BACK INTO ENGLISH
What is the most efficient way of space travel?
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