n. 后裔,子孙;后代,后世
拆分: post-后 + -er比较级词尾 + -ity名词词尾
用法:集合词
例:Few of his works will go down to posterity. 他的作品没有几件会流传到后世。 The names of those who died are recorded for posterity on a tablet at the back of the church. 死者姓名都刻在教堂后面的一块石匾上以便后人铭记。