秤稱的人,平衡器,走繩索者
Balancer \Bal"an*cer\, n. 1. One who balances, or uses a balance. 2. (Zo["o]l.) In Diptera, the rudimentary posterior wing.
balancer n 1: an acrobat who balances himself in difficult positions 2: either of the club-like rudimentary hind wings of dipterous insects; used for maintaining equilibrium during flight [syn: {halter}, {haltere}]