词汇	觀演
释义	觀演 guān yǎn觀看演出。
随便看	electron circuit CAD electron circum theory electron classical radius electron clock electron cluster electron coded lock electron collecting plate electron collection electron collection counter electron-collection counter electron collection pulse chamber electron collection time electron collector electron-collector counter electron collimating magnet electron-conducting glass electron conduction electron cloud electron clouds electron collision electron collision frequency Electron colonoscopy examination electron colour scanner electron combining electron commerce