的: 4次方是 The fourth power of 2 i ...箭: arrow离弦: nock splitting; takeoff弦的: chordal箭离弦: the arrow has left the string.; the die is cast离弦走板: deviate from the (generally) accepted norm如箭离弦: like an arrow released [discharged] from the bowstring; quick(ly) like an arrow from a bow; streak off like an arrow from the string of a bow似箭离弦: (fly) like an arrow from the bow弩箭离弦: as fast as the arrow flies off the string同弦的: coordinate无弦的: stringless有弦的: stringed余弦的: cosinoidal正弦的: sinusoidal按弦的手: fretting hand半正弦的: semi-sinusoidal扁钢弦的: ligamental; ligamentary; ligamentous拨弦的手: picking hand动人心弦的: dynamite; eloquent非正弦的: nonsinusoidal扣人心弦的: cliff-hanging; evocative; gripping弦的反冲: recoil of bowstring弦的反弹: string slap弦的振动: vibration of string月下弦的: decrescent