So the background of you, the person who clicked on this article title, is not as clear to me as it once might have been.

因此对于您(单击这篇文章标题的人)的背景知识，我并不像在过去所能做到的那样肯定。

youdao

After a call to clear erases the background, you draw the cube by using the vertex data and triangles created in init .

调用clear清除背景后，即可通过init中创建的顶点数据和三角形绘制对象。

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Also, the OS supports multitasking, but it is not clear if background applications will run normally or they will be paused until brought to the foreground.

该操作系统还会支持多任务处理，但是我们还不清楚，后台应用是否会正常运行，或者它们会暂停直到转移到前台。

youdao

Just one, uncannily red, glowing against the background of an unusually clear sky on this day when none of the factories were running.

CNN: 'The Rose': Living after Japan's disaster

Forested mountains cascade down to the lake shore, the mist-covered peak of Mount Nkungwe rises up in the background and crystal-clear waters teeming with fish lap against white sand coves.

BBC: Search the

Voice Focus ensures precisely targeted voice pick-up, while Noise Reduction enables clear conversations without background noise interference.

ENGADGET: Creative announces Sound BlasterAxx wireless speakers with mics (update: hands-on!)