For this example, only the first coordinate pair from the dots file is used to build the various drawing commands.
对于本示例，只有dots文件中的第一组坐标对将用于构建各种绘制命令。
A metafile, also called a vector image, is an image that is stored as a sequence of drawing commands and Settings.
图元文件，也称为矢量图像，是一种存储为一系列绘图命令和设置的图像。
File. Defining the color white on line 10 is important to ensure that the various drawing commands complete as expected.
在第10行中定义白色对于确保各个绘制命令按预期完成是十分重要的。
"' is a set of drawing commands, in this case to move to the position 10, 50 and then draw the text in the double quotes."
'是一组绘图命令，在本例中是移动到位置10,50，然后绘制出双引号中的文本。
These days, the window server is implemented on top of OpenGL, and the 2D drawing is handled either in software or by sending OpenGL commands to the window server, exactly as would happen with X11.
现在，窗口服务器是在OpenGL的上层运行的，而2D绘图则由软件或者向窗口服务器发送OpenGL命令来处理，完全和X11一样。
Fa: : (Drawing the curtains aside) the room is facing south and commands a good view of the Huangpu River.
(把窗帘拉开)这房间朝南并面对着黄浦江，景色很好。
Fa: : (Drawing the curtains aside) the room is facing south and commands a good view of the Huangpu River.
(把窗帘拉开)这房间朝南并面对着黄浦江，景色很好。
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