Today environmental groups are fighting proposals to open protected areas of the Arctic National Wildlife Refuge in Alaska to oil drilling.

VOA: special.2009.03.02

You get a vaccine for chicken pox, it gets injected, and sometime later you're going to be protected against it.

当你拿到水痘疫苗,并注射入体内后,一段时间之后,你就可以免于感染

耶鲁公开课 - 生物医学工程探索课程节选

This is a form of discrimination that is protected explicitly by American law.

这是一种歧视行为，法律明文禁止。

退休很神奇 - SpeakingMax英语口语达人

"The Impact of Urbanization on Biosphere Reserves: A Comparative Study of Protected and Non-Protected Coastal Areas".

UNESCO: Informes de las Becas MAB - (MAB Young Scientists Awards)

The defendant was protected by his defence lawyer while I was protected by no one.

BBC: Do you have faith in British justice?

So some portion of them invest in inflation protected gilts rather than non-inflation protected ones.

FORBES: Inflation Won't Cut the Budget Deficit