最終更新日：2024/07/30

A vertical shaft leading upward from a cave passage, sometimes connecting with passages above. / A pothole.

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aven

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元となった辞書の項目

aven

noun

A vertical shaft leading upward from a cave passage, sometimes connecting with passages above. / A pothole.

I saw a beautiful aven in the garden.

意味（1）

A vertical shaft leading upward from a cave passage, sometimes connecting with passages above.

意味（2）

A pothole.