salvaged material
英
美
- 废弃物
双语例句
- The manager told us that people made little use of waste material in the past.
经理告诉我们说过去人们很少利用废弃物。 - Cellulosic ethanol fuel is derived from plant material often thrown away as trash.
纤维素乙醇燃料的生产源于经常被丢弃的植物废弃物。
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