morphine and cocaine

• 吗啡和可卡因

morphine and cocaine的用法和样例：

例句

1. They also drink less alcohol and use less marijuana and cocaine.
   他们还较少饮酒，较少使用大麻和可卡因。
2. He systematically abused his body with heroin and cocaine.
   他因吸服海洛因和可卡因一步一步地把身体搞垮了。