紫薯的种植效益:"first come,first servered"是什么意思

"first come,first servered"是什么意思 \"first come ,first servered\"的意思 first come first served翻译 which come first, egg or bird I can't follow you work must come first she is thta first to come to school. "first love"的日文翻译 "first love(宇多田光)"这首歌 谁有FIR的"天天夜夜"的同步歌词??? He come to China for the first time.中为什么用for?