1. 防渗：imperforate 无孔 | impermeable 防渗 | impervious 不透水
2. 不可渗透的：imperforation 闭锁 | impermeable 不可渗透的 | impervious 不可渗透的
3. 不能渗透的：impermeable (水 | impermeable 不能渗透的 | impermeable 不能透过的
4. 不透水：impended drainage不良排水 | impermeable不透水 | impermeable rock不透水岩
1. 不容液体透过的;防水(或液体)的
Something that is impermeable will not allow fluid to pass through it.
e.g. The canoe is made from an impermeable wood.
独木舟由防水木头制成。
adj
1. preventing especially liquids to pass or diffuse through
e.g. impermeable stone
an impermeable layer of scum
a coat impermeable to rain