这个词是什么意思？
The species Balaenoptera acutorostrata, in the family Balaenopteridae. It is the smallest of the WHALES in the family and though mainly oceanic, is often found in coastal waters including bays and estuaries.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D050636 · MeSH 2026。
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