duàn liè céng
zone of fracture
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central,
Central America,
Central American,
central bank,
central body,
central city,
central heating,
Central Intelligence Agency,
central nervous system,
central office,
相似单词
断绝,
断绝关系,
断开,
断口,
断裂,
断裂层,
断裂点,
断路,
断路开关,
断路器,