单词	breastbone
释义	breastbonebreastbone /ˈbrɛstboʊn/ noun [countable] science, biology the long flat bone in the front of your chest to which the top seven pairs of ribs are connected
随便看	bra brace bracelet bracer bracero bracing bracken bracket brackish brad bradawl Bradbury, Ray Bradford, William Bradley, Bill Bradley, Omar Brady, James Brady, Matthew B. brag braggadocio braggart Brahe, Tycho Brahman Brahmani Brahmanism Brahmin

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