单词	Sierra Club
释义	Sierra Club, theSiˈerra ˌClub, the trademark a US organization that tries to protect the environment, especially natural areas such as forests, mountains, and rivers. It is also a social club for people who like to hike.
随便看	coolness coon coonskin co-op coop cooped up cooper Cooper, Alice cooperate cooperation cooperative cooperatively Cooper, Gary Cooper, Henry Cooper, James Fenimore Cooperstown Cooper, Tommy coopt coordinate coordinating conjunction coordination coordinator Coors coot cop

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