A plastic bag was floating in the water.

一个塑料袋在水中漂浮。

《牛津词典》

They postulated a 500-year lifespan for a plastic container.

他们假定塑料容器的寿命为500年。

《牛津词典》

These crystals are then embedded in a plastic, and the plastic is extruded as a wire.

然后将这些晶体嵌入一块塑料，再把这块塑料挤压成线。

《柯林斯英汉双解大词典》

These replacement joints can be made of combinations of metal alloys, plastic and ceramic, but new research shows that it might be possible to regenerate damaged joints using a patient's own stem cells.

VOA: standard.2010.08.11

Sometimes it's a lot easier to reach into your wallet, pull out a piece of plastic and voila, there are the next several shuttle times.

都是不太方便的,也许伸进口袋，拔出一块塑料来看看，还有其他的班车时间呢。

哈佛公开课 - 计算机科学课程节选

so you have to make a garment out of nothing like paper bags or plastic bags.

你需要从无中创造有，比如用纸袋或者塑料袋制作出服装。

梦想成为时装设计师 - SpeakingMax英语口语达人

Instead of a plastic card for a bank, we could have a plastic card with a bank.

FORBES: Magazine Article

He was given four sheets, four towels, a blanket, a bedroll, a toothbrush, toilet paper, a tall clear plastic cup, a bar of soap, seven white T-shirts, seven pairs of boxer shorts, seven pairs of socks, plastic slippers, a pad of paper, and a ballpoint pen.

NEWYORKER: Hellhole

The use of cellulose and cardanol, both plant resources, as the plastic's primary components produces a plastic that features a high plant component ratio of more than 70%.

ENGADGET: NEC builds a better bioplastic from plant stems and cashew nut shells