希望你们大部分都知道，骡子是驴和马的一种结合体。

Most of you know, hopefully, that a mule is a combination of a donkey and a horse.

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这里有一个中式“强逼”的故事。 露露， 7 岁左右，学习两种乐器，正在练习钢琴曲法国作曲家雅克的作品“小白驴”。

Lulu was about 7, still playing two instruments, and working on a piano piece called "The Little White Donkey" by the French composer Jacques Ibert.

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种驴和雌性斑马的后代——叫做斑骡——也存在，但数量极其稀少。

Offspring of a donkey sire and zebra mare, called a zebra hinny, do exist but are rare.

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So most of you know, hopefully, that a mule is a combination of a donkey and a horse.

希望大部分同学都知道，骡子是驴和马的一种组合。

麻省理工公开课 - 化学原理课程节选

Instead what we see is it's an average, it's part like a horse, it's part like a donkey.

我们看到的是它是一种平均，它有些地方像马，有些地方像驴。

麻省理工公开课 - 化学原理课程节选