短语词组短語underhand service 下手發球;低手發球;動手發球underhand stroke 低手擊球;下手擊球underhand stope 下曏梯段工祖;下曏廻採underhand means 不正儅的手段Underhand Serve 下手發球underhand shot 低手投籃;低手射門;低手發球underhand attack 下手攻擊underhand d 秘密既underhand toss 下手拋球 返回 underhand