| 单词 | ulna |
| 释义 | ulna/ˈʌlnə ||; ˈʌlnə/noun [c] (medical医学) the longer bone of the two bones in the lower part of your arm between your wrist and your elbow 尺骨 ☞look at radius. 参看radius。 ☞picture at body 见body插图 |
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