单词	Balaenopteridae
释义	Balaenopteridae plural noun Bal·​ae·​nop·​ter·​i·​dae -(ˌ)näpˈterəˌdē : a family of whalebone whales that comprise the rorquals and humpbacks and are distinguished from the right whales by the dorsal fin, gular folds, and short whalebone Word History Etymology New Latin, from Balaenoptera, type genus + -idae First Known Use circa 1925, in the meaning defined above
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