单词	守城者
释义	同DEFENDER
随便看	chain of triangles chain of triangulation chain of volcano chain oiler chainomatic chainomatic balance chainomatic balance--chain balance chain--open chain orientational disorder chainotte chain out chain output chain pendant chain pickerel chain pin chain pipe chain pipe vise chain pipe wrench chain-pipe wrench chain pitch chain plate chainplate chain plate; channel plate chain polymer chain polymerization