大氧吧 Traditional form: 大氧吧 Pinyin (reading): dàyǎngbā Definitions: source of oxygen (of forests and nature reserves) (cliché) lungs of the planet Characters: 大 - big, great, vast, high, deep 氧 - oxygen 吧 - emphatic final particle Traditional characters: 大 - big, great, vast, high, deep 氧 - oxygen 吧 - emphatic final particle