是可数也是不可数,依据语境判断。achievement的基本意思是“完成,达到”,指达到所期望的目标的过程,是抽象名词,不可数。achievement还可用作可数名词,常指因努力和技巧而取得的“成就,成绩”。
achievement的例句Effort and achievement are always in full accord.
努力和成就总是相辅相承的。
You haven't realized the magnitude of her achievement.
你没有认识到她这一成就的重大意义。
I felt a great sense of achievement when I reached the top of the mountain.
当我到达山顶的时候,我有一种巨大的成就感。
Only the achievement of these goals will bring lasting peace.
只有达成这些目标才会带来持久的和平。
To live together harmoniously as men and women is an achievement.
夫妻能和睦相处就是一种成就。
Steve uncorked bottles of champagne to toast the achievement.
史蒂夫打开几瓶香槟酒庆功。