Definition: not able to stop taking a drug Level: B2
他后来对海洛因上瘾了。
He later became ___addicted to heroin.
有一天我叔叔打电话给我，讲了一个对毒品上瘾的男孩的故事。
One day my uncle called and told me a story of a boy who was ___addicted to drugs.
她对可卡因上瘾，需要帮助。
She is ___addicted to cocaine and needs help.
