__last实例特性(它是一个私有特性，因为它以双下划线开头)包含上一次鼠标单击位置。
The self.__last instance attribute (which is a private attribute because it starts with a double underscore) holds the previous mouse click position.
将鼠标移动到任务栏顶端，使鼠标指针变化为上下双箭头状。
Move your mouse to the top of the taskbar so your mouse cursor changes to an up/down double-arrow.
《每日电讯报》网站报道称，用户以后不必在鼠标垫上通过滑动鼠标，来使光标在屏幕上移动了。戴上一双特制手套，来操作一个名为G -Speak的系统就可以了。
Rather than navigate a cursor across the screen by sliding a mouse across a mat, users would don a pair of special gloves to operate the system known as G-Speak, telegraph.co.uk reported.
这些链接与双下划线，以区别于正常的联系，一旦用户鼠标滑过链接广告就会弹出。
These links come with a double underline to differentiate them from normal links, and once the user rolls the mouse over the link the advertising will pop.
据报道称，用户以后不必在鼠标垫上通过滑动鼠标，来使光标在屏幕上移动了。戴上一双特制手套，来操作一个名为G - Speak的系统就可以了。
Rather than navigate a cursor across the screen by sliding a mouse across a mat, users would don a pair of special gloves to operate the system known as G-Speak, telegraph. Co. UK reported.
据报道称，用户以后不必在鼠标垫上通过滑动鼠标，来使光标在屏幕上移动了。戴上一双特制手套，来操作一个名为G - Speak的系统就可以了。
Rather than navigate a cursor across the screen by sliding a mouse across a mat, users would don a pair of special gloves to operate the system known as G-Speak, telegraph. Co. UK reported.
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