证人必须亲自出庭作证并接受双方讯问 witnesses must testify in person and be subject to crossexaminationn
出庭 appear in court; before the court; enter an appearance 出庭辩护 defend a case in court; 出庭应诉 appear in court; 出庭作证 appear in court as a witness; serve as a witness at court; 出庭律师 counsel; 出庭通知 memorandum of appearance; notice of appearance