题目内容
2. 那对孪生姐妹总是认真听老师讲课并同时做笔记。
The twin sisters always the teacher carefully and take notes .
2. listen to; at the same time
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2. 那对孪生姐妹总是认真听老师讲课并同时做笔记。
The twin sisters always the teacher carefully and take notes .
2. listen to; at the same time