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關(guān)注：1
2013-05-23 12:21
求翻譯：直到十九世紀(jì)中葉人們才知道熱能是什么是什么意思？ 待解決
 懸賞分：1
- 離問(wèn)題結(jié)束還有
直到十九世紀(jì)中葉人們才知道熱能是什么
問(wèn)題補(bǔ)充： |
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2013-05-23 12:21:38
正在翻譯，請(qǐng)等待...
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2013-05-23 12:23:18
It was not until mid 19th century people did not know what is heat
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2013-05-23 12:24:58
Until the 19th century middle people only then knew the heat energy is any
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2013-05-23 12:26:38
Until the middle of the 19th century before people knew what is thermal energy
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2013-05-23 12:28:18
正在翻譯，請(qǐng)等待...
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