防火长城

Great Firewall of China (system for restricting access to foreign websites)

to protect / to defend / to guard against / to prevent

to protect against fire

fire / urgent / ammunition / fiery or flaming / internal heat (Chinese medicine) / hot (popular) / classifier for military units (old) / Kangxi radical 86

length / long / forever / always / constantly

chief / head / elder / to grow / to develop / to increase / to enhance

the Great Wall

city walls / city / town / CL:座[zuo4],道[dao4],個|个[ge4]