gateway drug
基本解释
- 入门毒品，上钩毒品（诱使吸食者服用危险性更强的其他毒品）, “敲门砖”，引子。
同根派生
英汉例句
- One college athlete recently called beer a gateway drug for young people.
一名大学运动员最近把啤酒称作年轻人的诱导性毒品。
英英字典
- a drug whose use may make it more likely that someone uses other, more dangerous, drugs