negates是什么意思？

negates

• v. 取消( negate的第三人称单数 )，使无效，否定，否认；

例句

• Seat Face: Negates need for flange gaskets. 阀座表面: 不需要使用阀兰垫圈.
• Alcohol negates the effects of the drug. 酒精能使药物失效。
• The lack of deep hardening in these alloys negates their use. 这些合金缺乏深层硬化能力使它们无法利用.

柯林斯高阶英汉双解学习词典释义

• VERB
  取消;使无效
  If one thing negates another, it causes that other thing to lose the effect or value that it had.
  例句
  These weaknesses negated his otherwise progressive attitude towards the staff. 这些缺点抵消了他在其他方面对待员工还算开明的态度。
• VERB
  否认…之存在;否定
  If someone negates something, they say that it does not exist.
  例句
  He warned that to negate the results of elections would only make things worse. 他警告说，否定选举的结果只会使事情更糟。