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Polar bears will be protected in Alaska

Vocabulary

majestic species

powerful animals with royal qualities

melting

turning from ice to water, caused by heat

global warming

a gradual increase in temperature around the world

designated

formally chosen or identified for a specific purpose

critical habitats

essential or crucial homes that are endangered

weighed against

compared with, considered carefully

oil exploration

digging deep to try and find

hurdles

obstacles or challenges to overcome

harm

damage, have a negative effect on

an obituary

here, a notice letting people know how polar bears in this area lived and died. (would be published if they died)

  原文地址:http://www.tingroom.com/lesson/yytljxjjb/477613.html