| 单词 | ulna |
| 释义 | ulnaBrE /ˈʌlnə/ NAmE /ˈʌlnə/ noun (plural ulnaeBrE /ˈʌlniː/ NAmE /ˈʌlniː/ ) (anatomy解剖学) the longer bone of the two bones in the lower part of the arm between the elbow and the wrist , on the side opposite the thumb 尺骨 ➡ see also radius (3 ) |
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