Not all plastic valves are the same.

并不是所有塑料阀门都是相同的。

youdao

And about only 5 percent of all plastic bags are recycled nationwide.

大约只有5%的塑料袋被回收利用。

youdao

You may want to keep a few for special occasions when plastic is helpful-all plastic bags are not bad-just using too many of them can be!

你可以留下几个以备不时之需——并不是所有的塑料袋都不好——只是过量使用才导致不可收拾！

youdao

A hoop house is basically a metal frame covered with plastic or other all-weather material.

VOA: special.2009.12.22

it's this paper mend with a plastic cover and there's all these black magnetic particles here.

它是用这种纸以及一种塑料覆在上面,这里还有一些黑色磁性粒子。

哈佛公开课 - 计算机科学课程节选

That creates all sorts of social consequences that we'll talk about sustainability, with shipping water long distances, all the plastic involved, people's distrust of public water systems that's unfounded, and things like that are very interesting and have big public health consequences.

这就产生了很多社会问题,比如我们将要谈到的饮水污染问题,饮用水在长途运输的过程中,会受到各种塑料污染,还有人们对公用自来水系统,毫无理由地不信任,类似这些现象都很有趣,而且会导致重大的公共健康后果

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

There a clearinghouse network allows electronic settlement of all plastic-money transactions for any type of card or issuing bank.

CNN: THE E-TAIL REVOLUTION

Now all plastic packaging except black items, thin films and polystyrene are allowed.

BBC: Public Services changes plastic recycling in Guernsey

She also eliminates all plastic and metal components while designing her garments.

BBC: Why Sri Lanka has designs on the fashion world