Twinnn.特温twinadj.孪生的；紧密联系的n.双胞胎之一twin boundary双晶边界,孪晶边界,双晶间界,孪晶面边界,孪晶间界twin-engineadj.双发动机的twin I-beam双工字梁twining plane双晶面twin digitato重对羽状的twin port RAM双口RAMtwin-beddeda.twin ignition双火花塞点火twincore cable双芯电缆twin cylinders双汽缸