防火牆 (fong4 fo2 coeng4) — firewall (lit., "wall that prevents fire") in Cantonese
fongˎ₄防foˊ²火coengˎ₄牆简 防火墙
Mandarin Pinyin: fang2 huo3 qiang2
Meaning of 防火牆
nounfirewall (lit., "wall that prevents fire")
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