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单词 ulna
释义
ul·na (ŭlnə)
n. pl. ul·nas or ul·nae (-nē)
1. The bone extending from the elbow to the wrist on the side opposite to the thumb in humans.
2. A corresponding bone in the forelimb of other vertebrates.

[Latin, elbow, forearm; see el- in the Appendix of Indo-European roots.]

ulnar adj.
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更新时间:2025/3/22 10:26:26