她写了一句格言挂在教室的墙上。

She lettered a motto for the wall of the classroom.

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在教室的墙上有一些漂亮的画。

There are some beautiful pictures on the wall of classroom.

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直到我的课开始我才知道，因为在我的印象里，我将会作很多攀岩练习作为登山攀岩课程的一部分- - - - - - - -我在教室里的一座小墙上做一些上下攀爬练习，但是，课程主要是专注于攀岩设备和安全措施，练习绳结。

Up until my class began, I was under the impression that I would do a lot of climbing as part of my rock climbing class. I did make it up a small wall during the class, so there was some climbing.

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把一幅世界地图挂在教室的展示墙上。全班应该一起画一幅地图或者你们可以买一幅。

Put a world map on the display wall in the classroom the whole class should work together to draw the map, or you can buy one.

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过去常被钉在教室墙上而且常出现在地图册中的那幅地图以墨卡托投影著称，最早是由弗兰德地理学家杰拉杜斯·麦卡托提出来的，可追溯至1569年。

The map you're used to seeing pinned on classroom walls and in Atlases is known as a Mercator projection, and was first presented by the Flemish geographer Gerardus Mercator back in 1569.

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测量是通过安装在教室墙上的隐蔽传感器装置实现的，并通过因特网把数据传送到远端的数据收集点。

Measurements were made using unobtrusive sensor packages mounted on classroom walls that transmitted data to a remote site using the Internet.

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测量是通过安装在教室墙上的隐蔽传感器装置实现的，并通过因特网把数据传送到远端的数据收集点。

Measurements were made using unobtrusive sensor packages mounted on classroom walls that transmitted data to a remote site using the Internet.

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