xi·phi·ster·num /ˌzaɪfəˈstɚ/
xi·phi·ster·num /ˌzaɪfəˈstɝnəm, ˌzɪfə-/ 名詞
劍突
Xiph·i·ster·num n.; pl. Xiphisterna Anat. (a) The posterior segment, or extremity, of the sternum; -- sometimes called metasternum, ensiform cartilage, ensiform process, or xiphoid process. (b) The xiphiplastron. -- Xiph*i*ster*nal a.
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