translation.en: A dog that had never met capric acid would, perhaps, have no more trouble imagining its smell than we would have trouble imagining a trumpet, say, playing one note higher than we've heard a trumpet play before.
translation.zh: 一条从没有问过羊蜡酸的小狗，很有可能 轻而易举的识别出它的味道就如同我们 就算我们从来没有听过小号的声音， 也可以轻而易举地识别出小号所发出更高一个音符的声音。