在这个特殊的日子里，学生们通常会给他们的老师送感谢卡、鲜花、水果和其他小礼物来表示他们的尊敬和感激。

On this special day, students usually give their teachers thank-you cards, flowers, fruits, and other small gifts to show their respect and appreciation.

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叫做等值线图的特殊地图使用地图的颜色来表示统计数据。

Special maps called choropleth maps use map color to represent statistical data.

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如梅：意思是：我们得为大山的生日做出点特殊的表示。

Rumei: It means: we have to do something special for Dashan's birthday.

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This was the special value that said to the computer string stops here and because you have that barrier given to you at the end of every string, just the most efficient way you can pass strings around is just by passing the address of their very first bytes, the location in RAM.

这是一个特殊的值，表示的是,字符串在这里结束，因为在每个字符串的末尾,都有那个关卡，这是一个最有效率的方式，你可以通过传递,字符串的第一个字节的地址来传递一个字符串，地址是在RAM中的。

哈佛公开课 - 计算机科学课程节选