impermeable barrier
不透水层
常用释义
英式发音
美式发音
基本释义
- 不透水层;不透水煤柱;不渗透边界
例句
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1·Although skin can be a relatively impermeable barrier, a few drugs have just the right physical and chemical characteristics to cross it at reasonable rates.虽然皮肤是相当不易穿透的障碍,但少数药物的物理化学特性,恰好能让这些药物以合理的速率穿过皮肤。