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A teacher should learn to conceal his bad mood when giving lectures.
教师应学会在授课的时候掩饰自己的坏心情。
youdao
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A teacher should learn to conceal his bad mood when giving lectures.
教师应学会在授课的时候掩饰我自己的坏心情。
youdao
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A teacher should learn to conceal his bad mood when giving lectures.
教师应学会在授课的时候掩饰我自己的坏心情。
youdao