The skin of amphibians is permeable to water.

两栖动物的皮肤是透水的。

《牛津词典》

A number of products have been developed which are permeable to air and water.

已开发出许多可渗水透气的产品。

《柯林斯英汉双解大词典》

In other words, it makes the cell permeable to lactose.

也就是说，它使细胞对乳糖变成可渗透的。

youdao

Those are low density, so they are very permeable to oxygen.

VOA: special.2011.02.01

"The idea is to make it permeable by people, " Govan says, even if those people can peer in without buying a ticket.

WSJ: Michael Govan, the Man Behind LACMA | WSJ. Magazine May 2013

There must be some other world, unimaginably fraught and violent, contiguous to ours but not normally permeable.

NEWYORKER: Magda Mandela

In other words, to be the opposite of permeable.

FORBES: New To Leadership? If You Only Do One Thing, Do This