WWF has been active in China on the conservation of giant panda and its habitats since 1980, when it was invited by Chinese government as the first international NGO to work on nature conservation.是什么意思_WWF has been active in China on the conservation of giant panda and its habitats since 1980, when it was invited by Chinese government as the first international NGO to work on nature conservation.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句