单词 | rorqual |
释义 | Word Frequency rorqual(ˈrɔːkwəl) noun any of several whalebone whales of the genus Balaenoptera, esp B. physalus: family Balaenopteridae. They have a dorsal fin and a series of grooves along the throat and chest Also called: finbackWord origin C19: from French, from Norwegian rörhval, from Old Norse reytharhvalr, from reythr (from rauthr red) + hvalr whale |
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