Rfcs
( REQUEST FOR COMMENTS 的缩写,计算机与通讯技术文件)
🗣️ 情景例句
Don't laugh. In the beginner's class,they give you a chance to rest between exercises.
别笑。在初级课程中你有机会休息。
I'm afraid you will be late.
我怕你会迟到。
Insects would make it impossible for us to live in the world;
要不是人类受一些食虫动物的保护，昆虫就会使我们无法在地球上生活下去，