| 释义 | 
		bal·ae·nop·ter·i·dae \-(ˌ)näpˈterəˌdē\ noun plural Usage: capitalized Etymology: New Latin, from Balaenoptera, type genus + -idae  : 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 |