【上位】 a localized and violently destructive windstorm occurring over land characterized by a funnel-shaped cloud extending toward the ground 地上へ向かって伸びた漏斗雲が特色で、地上に発生する局地的で激しく破壊的な暴風。
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【上位】 a passage (a pipe or tunnel) through which water or electric wires can pass; "the computers were connected through a system of conduits" 水か電線が通ることができる通路(パイプかトンネル)。
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