chordn.弦；和弦；情绪chordal circle弦圆chordal graphs弦图chordal tissue脊索组织chordal length弦长, 扁簧弦长chord position架位chordoskeleton[医] 脊索骨胳(脊索四周的骨胳)chorda tympani鼓索chorda venerea痛性阴茎勃起chord keyboard弦键盘chordae venerea[医] 痛性阴茎勃起