waterproof; watertight; impermeable; imperviousness不: a block of wood透水: permeable; pervious to water不透水坝: impervious dam不透水包: water proof packing不透水边界: impermeable boundary下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:不透水,即可在微信中查询翻译