protect against是什么意思

Question

如题所述

Answer 1

protect against
[英][prəˈtekt əˈɡenst][美][prəˈtɛkt əˈɡenst]
保护，保卫;

例句:

1.
Eating a portion of watercress every day could help protect against cancer, accordingto new research.
一项最新研究显示，每天食用一部分豆瓣菜可以帮助预防癌症。

2.
Vegetarianism does not protect against cancer.
素食主义不能防止癌症的发生。