绿坝 Lǜbà Green Dam Origin Definitions Defs Strokes Stroke Words Sentences Sents 绿坝·花季护航 Lǜbà· Huājì Hùháng Green Dam Green Dam Youth Escort, Internet content-control software, in use during 2009-2010 (abbreviated to [[绿坝|綠壩|Lu:4 ba4]])