[U] when someone or something is protected

保护; 受保护:

the protection of the environment

环境保护

evidence that vitamin C gives protection against cancer

维生素 C 可以预防癌症的根据

This law provides protection for threatened animals and plants.

这条法规保护了濒危动植物。

The police were issued with body armour for extra protection.

警察配发了防弹衣加强保护。

[C,U] something that protects

防护物:

[U] the promise of payment from an insurance company if something bad happens

〔保险〕

[U] CONTRACEPTION

避孕（措施）:

Do you have any protection?

你有避孕措施吗？

[U] when criminals threaten to damage your property or hurt you unless you pay them money

保护费:

protection money

保护费

a protection racket (=the illegal activity of demanding money for protection)

收取保护费〔一种非法活动〕