sidelit侧边照明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side pleated skirt侧襞裙sidelobe switching旁瓣切换sideband amplitude边带振幅sideband amplifier边带放大器side tipping wagon侧翻车side select signal面选择信号side slope seepage边坡渗水side-arm service侧身发球side-wall filter侧壁过滤器side wall grouting侧壁注浆

on the right side of the post干得对,行动正确

on the wrong side of the post干得不对