n.[C]

1. 騾
2. 固執的人
   Don't be a young mule.

   年紀輕輕，別那麼固執。

3. 雜交動（或植）物
4. 電力牽引機；小型拖拉機
5. 走綻精紡機

n.

1. 無後跟的拖鞋；拖鞋式女鞋[P1]

n.

1. the offspring of a male donkey and a female horse, typically sterile. Compare with hinny¹.
2. a hybrid plant or animal, especially a sterile one.
3. an obstinate person.
4. informal a courier for illegal drugs.
5. (also spinning mule) a kind of spinning machine producing yarn on spindles.

n.