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...美國正試圖在聯(lián)合國安理會使該決議無效。The intruder smashed a window to get in and then neutralized the alarm system.闖入者打碎了一扇窗戶進(jìn)來，然后破壞了警報系統(tǒng)。
VERB
(用化學(xué)品)中和，使成為中性
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.抗酸劑是堿性的，通過中和胃容物中的酸來減輕疼痛。