Optocoupler
光隔离器; 光耦合器
🗣️ 情景例句
No music, no dance,
没有音乐， 没有舞蹈，
Jerry listened to the adventure program on the radio.
杰瑞在收听收音机的冒险节目。
Sure enough, a policeman arrived on the scene and politely asked the workmen to go away.
果然，警察来了，不礼貌地请工人离开此地；