The teacher made comments on our compositions.

老师就我们的作文作了讲评.

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The commentator generalized because he knew no details.

讲评者只是泛论,因为他不知细节.

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Regular commentator Bill Thompson extols the virtues of a 3 G card for his laptop computer.

一般的讲评者比尔汤普生为他的笔记型电脑颂杨3G卡的德行.

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Therefore, in teaching, appreciate the choice of materials and evaluation of teachers is of paramount importance.

所以在教学中, 欣赏材料的选择和教师的讲评是极为重要的.

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