好运咪咪熊
上课 (学生听课) attend class;go to class 他昨天没来 上课。 He didn't come to class yesterday. (教师讲课) conduct a class;give a lesson

亲爱的小慧慧
上课的英文单词是attend class、go to class 、have a class 、class begins、beginning a class、Let's begin our class、give a lesson等。
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