这个词是什么意思？
The only genus in the family Oryziinae, order BELONIFORMES. Oryzias are egg-layers; other fish of the same order are livebearers. Oryzias are used extensively in testing carcinogens.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D009990 · MeSH 2026。
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