留美老师带你每天说英文 第244期:让废弃物变得珍贵
2020-04-06来源:和谐英语
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台湾籍旅美老师今天交给我们的句子是：
And one of those engineers has actually proposed the solution, where the waste is valuable.
其中一位工程师提出了可行的解决方法，让废弃物变得珍贵!
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