拓展 tuòzhǎn HSK7 expand Origin Definitions Defs Strokes Stroke Words Sentences Sents 拓展坞 tuòzhǎnwù docking station (computing) hub; dock拓展视野 tuòzhǎnshìyě broaden horizons to broaden one's horizons拓展训练 tuòzhǎnxùnliàn outdoor training outdoor education program or outward bound training