impermeable barrier

不透水层
常用释义
不透水层;不透水煤柱;不渗透边界

例句

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。

同义词

[流]不透水层;不透水煤柱;不渗透边界