他们正在研发新的手机。 他們正在研發新的手機。 他們正在研發新的手機。
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- Simplified
- 他们正在研发新的手机。
- Traditional (Taiwan)
- 他們正在研發新的手機。
- Pinyin
- Bopomofo
Written with HSK 5 vocabulary, at CEFR level B2.
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