枢纽

pivot;hub;axis;key
交通～ transportation hub/水利～工程 key water control(or conservancy)project

• undenominational
• under
• under
• under-
• underact
• underarm
• underbelly
• underbid
• underbrush
• undercarriage
• undercharge
• underclothes
• undercover
• undercurrent
• undercut
• undercut
• underdeveloped
• underdog
• underdone
• underestimate
• underexpose
• underfed
• underfloor
• underfoot
• undergarment