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来源:雅诚德英语网
Now researchers have created a nearly-flawless diamond that can do the job, according to Discovery News.
现在,研究人员已经能够制造出一个几乎完美无瑕的钻石,用来完成这项工作。
Now researchers have created a nearly-flawless diamond that can do the job, according to Discovery News.
现在,研究人员已经能够制造出一个几乎完美无瑕的钻石,用来完成这项工作。