To neutralize something means to prevent it from having any effect or from working properly.
例句
The US is trying to neutralize the resolution in the UN Security Council...美国正试图在联合国安理会使该决议无效。The intruder smashed a window to get in and then neutralized the alarm system.闯入者打碎了一扇窗户进来,然后破坏了警报系统。
VERB
(用化学品)中和,使成为中性
When a chemical substance neutralizes an acid, it makes it less acid.
例句
Antacids are alkaline and they relieve pain by neutralizing acid in the contents of the stomach.抗酸剂是碱性的,通过中和胃容物中的酸来减轻疼痛。