n.第一（个人或事物）( first的名词复数 )...

These are all firsts.这些都是一等品.This election had many firsts and many stories that will be told for generations.本届选举,开众多亘古未有之首创,传无数流芳百代之佳话....

firsts的音标：firsts的英式发音音标为：[fɜ:sts]firsts的美式发音音标为：[fɜsts]...