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2.2.2 p/b

p/b 的发声动作一样,都是先把嘴唇闭合,而后用气流冲开嘴唇。p 没有声带振动,而 b 有声带振动。

The pronunciation of p and b share the same mechanism, where the lips first close, then air pressure forces them apart. The difference lies in the vibration of the vocal cords: p doesn't involve vocal cord vibration, while b does.

这两个辅音都会自然带有很轻微的 ʊ 的音色 —— 是气流冲开嘴唇自然产生的声音。

Both consonants naturally have a slight ʊ sound, which is a byproduct of the air bursting past lips.

中国学生在起初的时候常常分不清 pleasepolice —— 可事实上,这两个词的区别很明显:

Chinese students often struggle to distinguish between please and police at first when learning English. But they are distinctly different:

  • please 只有一个音节:pliːz,而 police 有两个音节: pəˈliːs
  • please consists of a single syllable: pliːz, while police has two syllables: pəˈliːs.
  • 前者末尾的辅音是 z,后者末尾的辅音是 s
  • The final consonant in please is a z sound, whereas in police, it's an s sound.
  • 最关键的,前者开头最多听起来是 ,而后者不一样,是 p 和另外一个元音构成的音节: ……
  • Most importantly, the initial sound in please might be heard as , but in police, it's different. It's a syllable composed of p and another vowel: ...