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单词 air hole
释义 air hole
noun
1.
 a. : a hole to admit or discharge air
 b. : water not frozen over especially because of a spring or current in a river or pond
2. : a discontinuity produced in a foundry casting by a bubble of gas : blowhole
3. : air pocket 1
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更新时间:2025/3/12 21:10:13