求翻译：只要老师能够形象的作出戒备的姿态和神色，告知同学们这个短句表现出来就是这么一个姿态，那么学生就很容易把"watch over " 区分开了。同时，学生还能很容易的记住了'watch over"的意思了、是什么意思？

As long as the teacher is able to image to make the alert attitude and look, inform the students of this phrase to show it is such an attitude, then the student can easily watch over areas separated. At the same time, students can easily remember the meaning of 'watch over

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So long as teacher can the image make the alert the posture and the look, informs schoolmates this short phrase to display is such a posture, then the student on differentiated very easily " watch over “.At the same time, the student also could very easy remember the ' watch over " meaning,

As long as the image of the teacher to make a defensive attitude and look, inform students of this phrase is shown such a gesture, then students are very easy to "watch over" distinguish. At the same time, students can easily remember 'watch over "mean, and

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