It's wasteful glass, paper and metal.
扔掉玻璃、纸、金属是一种浪费。
It's wasteful to glass, paper and metaL.
扔掉玻璃、纸张和金属是很浪费的行为。
It is wasteful to throw way glass, paper and metal.
把玻璃，纸张以及金属扔掉是很浪费的。
Waste materials such as glass paper and metal can be recycled.
像玻璃，纸，金属等废弃物可以再回收。
These include things made out of paper, metal, glass and plastic.
这些包括纸、金属、玻璃和塑料制成的东西。
In fact, most things made of paper, metal, glass and plastic can be recycled.
事实上，大多数由纸、金属、玻璃和塑料制成的东西都可以被回收利用。
Energy: The idea of recycling paper, glass, metal and plastics has become commonplace.
能源：回收纸张、玻璃、金属和塑料的想法越来越普遍。
It was actually a very beautiful sight, with the smoke and the metal and the paper against the blue sky.
事实上那是非常迷人的一幕，浓烟，金属碎片，纸张充斥在蓝色的天空中。
Recycling programs usually give new life to materials like paper, metal, plastic and glass.
回收计划通常能赋予纸张、金属、塑料和玻璃一类材料新生命。
It's wasteful to throw away the metal and paper.
乱扔纸和金属是浪费的。
People here know they can sell glass, metal, paper, plastic, and old clothes.
这里的人们知道他们可以出售玻璃，金属，纸张，塑胶，和旧衣服。
Waste materials such as glass, paper, and metal can be recycled.
像玻璃，纸，金属等废弃物可以再回收。
In this paper, wear properties and mechanism of metal multilayer films were studied.
研究了金属多层膜的磨损特性与磨损机理。
This paper introduce a hypermedia CAI software for "Metal Material and Heat Treatment".
介绍了一个超媒体《金属材料及热处理》教学CAI软件。
This paper introduce a hypermedia CAI software for "Metal Material and Heat Treatment".
介绍了一个超媒体《金属材料及热处理》教学CAI软件。
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