unnecessary
adj. 不必要的;多余的,无用的
复数 unnecessaries
比较级 more unnecessary
最高级 most unnecessary
例句
I hate unnecessary waste.
我憎恨不必要的浪费。
《牛津词典》
The slaughter of whales is unnecessary and inhuman.
对鲸的屠宰是不必要且不人道的。
《柯林斯英汉双解大词典》
That last comment was a little unnecessary, wasn't it?
那最后一点评论有点多余,不是吗?