Weatherproofness
风雨密性
🗣️ 情景例句
I need some good photos for my advertising, Mr. Stewart.
我做广告需要一些好照片， Stewart先生。
One ploughs, another sow; who will reap no one knows.
有的耕，有的播，谁来收获很难说。
It is not a simple competition for a fixed amount of food determined by the physical environment,
它已不是为了争得物质环境所决定的有限食物而进行的简单竞争了，