mule
noun [ C ] uk/mjuːl/ us/mjuːl/
(ANIMAL)
骡子
an animal whose mother is a horse and whose father is a donkey, used especially for transporting goods
(PERSON)
毒品走私犯，贩运毒品的人
a person who agrees to carry illegal drugs into another country in return for payment by the person selling the drugs
These very poor women who are used as mules by drug barons often get long prison sentences. 这些被毒枭雇来越境运送毒品的贫困女子常会被判处长期徒刑。
(SHOE)
拖鞋;拖鞋式女鞋
a woman's shoe or slipper that has no back