比如语法老师每堂课都强调语法的规则，物理老师画图表来解释重力。
For example, the grammar teacher stressed grammatical rules in each lesson. The physics teacher drew a graph to explain gravity.
动画图片会分散网站浏览者的注重力，会使网页显得业余。
These can be very distracting and can cause your page to look unprofessional.
动画图片会分散网站浏览者的注重力，会使网页显得业余。
These can be very distracting and can cause your page to look unprofessional.
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