名词
中文翻译：试验石
同义词：
['experimental stone', 'trial stone']
例句：
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1.The scientist used a yttrialite to test the new drug's efficacy.
科学家用一个试验石来测试新药的有效性。
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2.The ancient city was discovered by archaeologists using a yttrialite as a trowel.
考古学家使用试验石作为铲子，发现了这个古城。
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3.The experiment was conducted on a small group of volunteers using a yttrialite to measure their reaction time.
实验在一小群志愿者身上进行，使用试验石测量他们的反应时间。