gateway drug
短语n. [医]先导药
发音
US
词形变化
gateway drugs
复数
gateway drugs
释义与例句
n.
-
1.
A typically legal or less harmful substance, such as marijuana, whose use is statistically associated with an increased likelihood of progressing to a more dangerous or illicit drug.
入门毒品
习语 -
2.
Any thing or area of interest that tends to lead to a deeper involvement.
入门途径
引入之门
比喻 引申义