B.bifidum

常见例句

• In English, b, p, m and w are bilabials.
  英语中的b、p、m、w为双唇音。
• C comes after B in the alphabet.
  在字母表中C接在B后面。
• The "b" in "comb" is not sounded.
  comb这个词里的"b"是不发音的。
• The old woman does not know from A to B.
  这位老太太一字不识。
• B comes before C in the alphabet.
  B在字母表里排在C之前。
• Line A is four times the length of line B.
  线条
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