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....
Several proposals are under consideration by the state assembly.有几个提案州议会正在讨论中。His proposals have already been rebuffed by the Prime Minister.他的提议已经被首相否决了。Today its executive committee voted unanimously to reject the prop...