pin dự phòng
power bank
Tones 3 syllables — pin: ngang (level) · dự: nặng (low, short, glottalized) · phòng: huyền (low falling) ?
power bank
Tones 3 syllables — pin: ngang (level) · dự: nặng (low, short, glottalized) · phòng: huyền (low falling) ?
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