N-COUNT 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
The breastbone bold, without being unduly prominent.
胸骨明显,但没有夸张的突出。
Xenicibis also had a much larger breastbone and longer wings than most flightless birds.
与绝大多数不会飞的鸟类相比,奇异朱鹭的胸骨更大,翅膀更长。
The thymus gland lies behind the breastbone and is an important part of the immune system.
胸腺在胸骨下方,是免疫系统一个重要的组成部分。
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