实物教学课, 直观教学课
在线英汉词典
object lesson的短语、例句：
object lesson practical illustration of some principle, often given or used as a warning 实际教训
Let this accident be an object lesson in the dangers of drinking and driving. 这一事故可以作为醉酒驾驶危害的实际教训.

标签：object lesson,用法,音标,短语