火星上以前有水吗? 火星上以前有水嗎? 火星上以前有水嗎?

Was there water on Mars in the past?

Simplified
火星上以前有水吗?
Traditional (Taiwan)
火星上以前有水嗎?
Pinyin
Huǒxīng shàng yǐqián yǒu shuǐ ma?
Bopomofo
ㄏㄨㄛˇ ㄒㄧㄥ ㄕㄤˋ ㄧˇ ㄑㄧㄢˊ ㄧㄡˇ ㄕㄨㄟˇ ˙ㄇㄚ?

Written with HSK 3 vocabulary, at CEFR level A2.

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