antispyware helps什么spyware

Anti - spyware helps prevent spyware from being used.?意思是：反间谍软件有助于防止间谍软件被使用。prevent from being used防止被使用，例句如下：

1、The post office could simply put seals on the stamps to prevent them from being used again. 邮局只需在邮票上盖上邮戳就能防止邮票被再次使用。

2、After acetic acid is consumed, butyric acid gradually transformed from being used and consumed. 丁酸在乙酸消耗后也逐渐转化被利用而消耗。

3、Inedible alcohol, raw materials and additives shall be prohibited from being used to manufacture alcoholic drinks. 禁止使用非食用的酒精、原料和添加剂配制酒类产品。