Allows 70% of natural light to pass through your windows but rejecting up to 97% of infra-red heat and 99% of harmful ultra-violet rays!是什么意思_Allows 70% of natural light to pass through your windows but rejecting up to 97% of infra-red heat and 99% of harmful ultra-violet rays!在线翻译_英语_读音_用法_例句