junky

He became a junky after years of heroin use.

用法提示：“junky”作名词，指吸毒成瘾者，在句中作表语。

My brother is a coffee junky; he drinks five cups a day.

用法提示：“junky”作名词，比喻对某事物痴迷的人，在句中作表语。

The old junky spent all his money on drugs.

用法提示：“junky”作名词，指吸毒成瘾者，在句中作主语。