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单词
penannular
释义
WordReference Random House Unabridged Dictionary of American English © 2024
pen•an•nu•lar
(pen an
′
yə lər),
USA pronunciation
adj.
Mathematics
having the shape or design of an incomplete circle.
pen
- +
annular
1850–55
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更新时间:2025/12/25 5:56:55