mule

n.

骡子；顽固的人；杂交种动物；

复数：mules

mule deer[动]北美黑尾鹿；长耳鹿

1. A mule is a cross between a horse and an ass.
   骡是马和驴交配而生的杂种。
2. They travelled across the mountains by mule.
   他们骑骡翻山越岭。
3. Don't be a young mule.
   年纪轻轻,别那么固执。

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