At Yosemite alone, more than 20,000 kids take part in the Yosemite Junior Ranger Program.

仅在约塞米蒂国家公园，就有2万多名儿童参加了约塞米蒂初级护林员项目。

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At Yosemite alone, more than 20,000 kids take part in the Yosemite Junior Ranger Program.

仅在约塞米蒂国家公园，就有2万多名儿童参加了约塞米蒂初级护林员项目。

youdao