词汇	feather an arrow
释义	feather an arrow 给箭装上翎
随便看	rotation momentum rotation motion rotation motion blurs Rotation Motion Capture controller rotation movement rotation net rotation noise rotation noise of propeller rotation normalization rotation number rotation nutation mode rotation nystagmus rotation object rotation of aircraft wheels before touch-down rotation of alpine pasture rotation of antisymmetrical tensor rotation of a rigid body about a fixed axis rotation of arm rotation of atmosphere rotation of auditor rotation of a vector field rotation of axes rotation of axis rotation of beam rotation of binaries