breastbone sternum胸骨
breastbone e胸骨
breastbone ĥ胸骨
breastbone ƅ胸骨
Broken Breastbone断胸骨号
breastbone õ胸骨
breastbone U胸骨
upper breastbone乳上骨
breastbone saw胸骨锯
N-COUNT（可数名词） Your breastbone is the long, flat bone that goes from your throat to the bottom of your ribs and to which your ribs are attached. 胸骨