Cyclodos
(脉冲调制电路中的)发送电子转换开关
🗣️ 情景例句
Lincoln Center, home of the Metropolitan Opera,
林肯中心 ，大都会歌剧团，
He that would the daughter win,must with the mother first begin.
要想赢得女儿的欢心，必须先从她母亲着手。
The nurse assisted the doctor in the operating room.
护士在手术室协助医生动手术。