“不透水”怎么读

“不透水”的英语可以翻译为：waterproof，watertight，impermeable，imperviousness ...

台上有不透水的罩篷.There was a waterproof canopy over the platform.它不能通过云母这样的不透水的物质.It could not pass through material impervious to water such as mica.皮肤的外层不透水.The external layer of the skin is relatively impermeable to water....