bottom up 与bottoms up有何区别?

bottom up 与bottoms up有何区别? bottoms up 什么意思 ''Bottom up! made up 例如：the bottoms were made up of. bottom up,friends bottom up theory是什么意思 bottom up approach是什么意思 请帮忙翻译哈,Bottoms up!啥意思尼 Bottoms up用中文读出来,中文字哦 求bottoms up的中文歌词nikelback搜不到,不要视频 up your bottom和bottom up的区别 nickelback的bottoms up给个中文翻译····· Bottoms up 和 cheers 都是干杯的意思,有什么不同吗? bottom bottom naked 还有naked bottoms 英语翻译翻译：……,or to test functions during bottom-up program development.关键是bottom-up 3Q what u up