经济学人下载:3D制造 给我打印一部电话

1.bundle of 束

He carried a large bundle of papers.
他搬着一大捆报纸。

An afghan man carried a bundle of wood in kunduz province.
昆都士省，一名阿富汗男子，扛着一捆木材。
2.such as 例如；譬如；诸如

What about future steps such as euro bonds?
诸如欧元联盟之类的未来计划怎样？

Imaginary problems such as these are usually hiding real ones.
像这样的臆想的问题通常隐藏真实性的。

3.use to 过去常常

Below are different strategies you can use to help you deal with each of these negative emotions.
下面介绍了一些不同的方法可以用来帮助您处理每一种负面情绪。

Mining has led to water polluted by mercury which miners use to separate the metal from river sediment.
但开采者常用来从河沙中分离黄金的水银也导致了河水的污染。

4.allow to 允许

Allow to freeze solid for 3-4 hours or overnight.
允许冻结3-4小时或隔夜固体。

Apply solution to the tube and allow to become tacky.
在内胎上涂抹胶水并让它发粘。