In General, the mechanical properties of composites made from recycled plastic blends were inferior to those made from virgin plastic blends, especially in elongation break.

总的来说，混合废旧塑料制备的复合材料的力学性能要低于纯塑料混合物制备的复合材料，尤其是拉伸断裂伸长率。

youdao

Certainly I don’t advocate driving a Hummer full of plastic packaging, virgin forest paper, and aerosol cans out to your local land fill and killing a few baby seals on the way.

事实上，我并不赞成驾着悍马车，里面装满了塑料掉、原始森林纸和喷雾剂罐头到你当地的垃圾填注池，并在这一过程中杀害一些幼小的海狮。

youdao

But since then plummeting prices for virgin paper, plastic and fuels, and hence also for the waste that substitutes for them, have put an end to such visions.

但随着纸5、塑料、燃料价格下跌，可替代他们的垃圾价格也随之下跌，这种想法也就中断了。

youdao

But since then plummeting prices for virgin paper, plastic and fuels, and hence also for the waste that substitutes for them, have put an end to such visions.

ECONOMIST: Talking rubbish