sidecarn.轻快的双轮马车；机器脚踏车的边车siden.边；侧；边缘；侧面；(多边形的)边；(立体的)面；一方；方面；旁边；家族adj.旁的；次要的v.站在…的一边；支持siderophile element亲铁元素side-draught hood侧吸罩side polished fiber外圆精加工光纤side-block tackle侧面阻截side lobe reduction旁瓣缩减sideway and incline侧移倾斜side scanning sonar侧扫描声纳side-parking lamp路旁停车信号灯side-door control旁门控制side of piston ring活塞环端