I placed a sheet of plastic over the top of the container.

我在容器的上面盖了一层塑料纸。

《柯林斯英汉双解大词典》

It would be a good idea to use a plastic bottle, with its top cut off, as a container to grow young plants in.

把塑料瓶的顶部剪掉当作种植幼苗的容器是个好主意。

youdao

Looking back at ya is a front-facing camera, and there's a plain plastic stylus tucked in the top, so we're certainly looking at a resistive touch display.

正面有个摄影镜头，以及一只相当平凡的塑料触控笔隐藏在控制器顶部，所以毋庸置疑，这是电阻式触控面板。

youdao

Then cover the top of the pot with a see-through plastic bag.

VOA: special.2011.04.26

The toys are cheap to produce in China--about 50 cents for a plastic top or miniature beanbag animal, says Kellogg.

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They're not quick, by any means -- keep in mind, that this is a pound of plastic on top of a low-end car.

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While you're probably more interested in connectivity than colors, it's worth mentioning that the NUC Thunderbolt features a red top panel that's made of plastic, whereas the NUC Ethernet sports a black top panel that's fashioned out of aluminum.

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