词汇	shoulder roll
释义	shoulder roll 睦体滚翻,挂臂回环
随便看	radio direction-finding station radio direction finding system radio direction-finding system radio direction finging radio directive device radio directon-finding station radio director indicator radio dish radio disk temperature radio dispatching communication for train radio dispatching system radio-dispatching system radio dispatching telephone radio dispatch system Radio dispatch transmitter receiver radiodisplacement assay radio displacement bar radio dissemination of time radio distance radio distance difference measurement radio distance finder radio distance finding radio distance-finding station radio distance measurement radio distance-measurement