基本解释
拼音：bì lěi fēn míng
注音：ㄅㄧˋㄌㄟˇㄈㄣㄇㄧㄥˊ
解释：壁垒：古时军营的围墙，后泛指防御工事，今常喻指对立的事物和界限。比喻界限非常清楚。
单字解释：
壁
垒
分
明
英语解释
Barrier: the wall of an ancient military camp. Later, it generally refers to fortifications. Today, it often refers to opposing things and boundaries. The boundaries of metaphor are very clear.
