The answer may be simply that because we expel air from our mouths horizontally and only subsequently breathe in vertically through our nose, the chance of getting a representative whiff is low.是什么意思_The answer may be simply that because we expel air from our mouths horizontally and only subsequently breathe in vertically through our nose, the chance of getting a representative whiff is low.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句