超级简单英语阅读:Red, White, and Blue
时间：2019-01-02 作者：英语课 分类：超级简单英语阅读
英语课
Tracy looked at the flag. The flag is red, white, and blue. It has 50 white stars. The white stars are on a blue square. The flag has six white stripes. It has seven red stripes. All the stripes are horizontal. They are not vertical 1. The stripes do not go up and down. They go from left to right. Tracy loves her flag. It is the flag of her country. It is a pretty flag. No other flag has 50 stars. No other flag has 13 stripes.
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收听单词发音 1
vertical
adj.垂直的，顶点的，纵向的；n.垂直物，垂直的位置
参考例句：
The northern side of the mountain is almost vertical.这座山的北坡几乎是垂直的。
Vertical air motions are not measured by this system.垂直气流的运动不用这种系统来测量。