automatic
automatic(自动的,无需人工操作;也指条件反射式反应:an automatic response)
mechanical
mechanical(机械的,由机械驱动;也指呆板的、无感情的:a mechanical reply = 机械性的回答)
The building is fitted with automatic sprinklers that activate within seconds of detecting a rise in temperature.
大楼配备了自动喷水系统,在检测到温度升高后数秒内启动。
The customer service representative's mechanical tone made callers feel as though they were speaking to a robot rather than a person.
客服代表机械式的语调让来电者感觉仿佛在与机器人而非真人交谈。