achievement是不可数名词。

achievement：

n.成就;成绩;功绩;达到;完成；

复数： achievements

扩展资料

This achievement is unlikely ever to be equalled.

这一成就可能任何时候都没有能与之匹敌的。

His ‘ Beethoven ’ sculpture is seen as the crowning achievement of his career.

人们认为他制作的贝多芬雕像是他在事业上取得的最高成就。

Bringing up a child alone should give you a sense of achievement

自己一个人带大孩子会给你一种成就感。