I show us present, fully present, in front of, and before, the background of America.

我展示我们的存在，完整的存在，以美国为背景，从前前后后不同的侧面表现主题。

youdao

Now, we will add a new layer in front of the background layer and behind the others.

现在我们在背景图层前添加一个新的图层。

youdao

Just like the human eye Smart Eyes is able to distinguish different objects, even if they are moving on front of a busy background.

像人眼一样，电子眼能够辨别不同的物体，即使它们在一个杂乱的背景下移动。

youdao

And, furthermore, to put the background in front, 1s2 2s2 2p3 let's do the electronic structure. It is 1s2, 2s2, 2p3.

此外，把他的背景知识都翻出来，我们分析一下电子结构，这是。

麻省理工公开课 - 固态化学导论课程节选

It features a smiling president and first lady standing in front of a background of green trees, which can be seen through the open door of the barn.

CNN: White House releases Thanksgiving public service ad

The cover features a gun in front of a purple background, next to a fully-veiled woman.

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Spend a couple of minutes posing in dark clothing in front of a white background a DVD held at your belly-button provides scale and the software tallies your measurements to within fractions of an inch.

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