去年我被公派到美国学习,有一件小事给我留下了很深的印象。当时我和同学经常在周末搞一些活动,以缓解紧张的学习压力。出于礼貌,有些聚会我们会邀请任课老师参加,有一位给我们讲授自动控制课的美国男士从不像其他老师那样欣然赴邀,当时我们认为他有一点不近人情。但后来在一次 Last year I was sent to the United States to study, a small thing left a deep impression on me. At that time, my classmates and I often engaged in activities on weekends to ease the pressure of intense study. In courtesy, we invited some teachers to some meetings, and one American man who taught us an automatic control class was never as happy as the other teachers. At that time, we thought he was a bit offended. But then again