及物动词

1. 取消;使无效
If one thing negates another, it causes that other thing to lose the effect or value that it had.

2. 否认…之存在;否定
If someone negates something, they say that it does not exist.

1. make ineffective by counterbalancing the effect of

e.g. Her optimism neutralizes his gloom
This action will negate the effect of my efforts

Synonym: neutralizeneutralisenullify

2. prove negative
show to be false

Synonym: contradict

3. deny the truth of

Synonym: contradictcontravene

4. be in contradiction with

Synonym: contradictbelie