| 释义 | 
		first watern.(名词)- The highest degree of quality or purity in diamonds or pearls.第一流:钻石或珍珠在质量或纯度上的最高层次
 
 - The foremost rank or quality:一流:排衔或质量上最高:a pianist of the first water.一位一流的钢琴演奏家
 
 
 - Probably translation of Arabic mā' [water, water luster] 可能为 阿拉伯语 mā'的翻译 [水,水珠光泽] 
 
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