A large source of rubbish is packaging material.

垃圾的大来源是包装材料。

Most packaging material ends up in a landfill after it is thrown away.

大多数包装材料被丢弃之后，最终都进了垃圾场。

12 kilograms of that being packaging material.

12公斤是包装材料。

Alex Chow runs a company that makes packaging materials.

Alex Chow经营着一家生产包装材料的公司。

A rubber-like substance was also found that could have come from vehicle or boat parts or packaging materials, the report said.

该报告表示，他们还发现了一种类似橡胶的物质，这一物质可能来自车辆或船只零件，又或者是包装材料。

Bubble wrap and other non trademark cellular cushioning packaging materials were great at protecting fragile objects and dulling points during shipping.

气泡膜和其他非商标蜂窝缓冲包装材料非常适合在运输过程中保护易碎物品和钝点。

It means that you had better choose some light material rather than the heavy material as your packaging material so that it is easier to deliver; but at the same time safety must be taken into account, too.

意思就是说比起厚重的材料来，你最好选用轻薄的材料来包装商品，这样一来的话运输就会比较方便快捷。但是同时安全性也必须选用结实的材料并且要采取一些措施来保证物品不被损坏。

Excluding the weight of the packaging material, this would mean we'd need roughly 780 kilograms of food to feed just one astronaut out in space for a year on a 3 meals a day diet.

不包括包装材料的重量，这意味着我们需要大约 780 公斤的食物才能让一名宇航员在太空中度过一年的一日三餐。