石油要先提炼才能使用。 石油要先提煉才能使用。 石油要先提煉才能使用。
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- Simplified
- 石油要先提炼才能使用。
- Traditional (Taiwan)
- 石油要先提煉才能使用。
- Pinyin
- Bopomofo
Written with HSK 7-9 vocabulary, at CEFR level C1.
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