綠壩・花季護航 [ㄌㄩˋ ㄅㄚˋ · ㄏㄨㄚ ㄐㄧˋ ㄏㄨˋ ㄏㄤˊ; lu:4 ba4 · hua1 ji4 hu4 hang2] Green Dam Youth Escort, internet content-control software (abbreviated to 綠壩[Lu:4 ba4]) ◄ ►