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- f是元音字母还是辅音字母2025-02-28
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- f是元音吗,前面用a还是an2025-02-28
- F是元音吗?2025-02-28
- f是元音字母吗2025-02-28
- f是元音音素吗2025-02-28
- f是元音还是辅音2025-02-28
- f是元音字母还是辅音字母2025-02-28
- f的发音是元音吗2025-02-28
- f是半元音吗2025-02-28
- f的元音音素相同的字母2025-02-28
- 元音字母加f变复数2025-02-28