impermeable

不能渗透的英释中释adjnot allowing liquids or gases to pass through

1 impermeable layer,不透水层；防渗层

2 impermeable barrier,不透水层；不透水煤柱；不渗透边界

1 No paint is impermeable to water vapour..没有哪种涂料是不透水汽的。