词汇	collar vortex
释义	collar vortex 涡环
随便看	standing board standing board jump standing board of condemnation standing bobby standing body standing bolt standing book standing bowsprit standing brace standing brake test standing commitee standing committee standing-committee standing committeeman standing committee member Standing Committee member standing Committee of the House standing Committee of the Senate Standing Committee on Company Law Reform Standing Committee on Economic Affairs Standing Committee on Foreign Affairs Standing Committee on Medical Education Standing Committee on Professional Exchange Standing Committee on Public Health Standing Committee on Radiation Dosimetry