弦 弦的英文 英语翻译 bowstring; catgut; chord; quadrature; subtensestring 拓展翻译 五弦琴pentachord五弦琴演奏师banjoist弦电流计Einthoven's galvanometer; Einthoven's string galvanometer弦角angle of chord弦脉angry pulse; wiry pulse弦器tumtum弦绕组choke winding弦声twang弦外之音implication弦线齿冠chordal addendum弦线电流计string-galvanometer弦线静电计string electrometer弦样的wiry弦音计sonometersonometersonometer弦音器tum弦影仪器string-shadow instrument弦月窗lunette弦轴tuning peg