noun🔗Share下部構造The supporting structure of a piece of furniture, a vehicle, etc."The sturdy underframe of the school's new library table supports the heavy bookshelves. "学校の新しい図書館テーブルの頑丈な下部構造は、重い本棚を支えています。structurevehiclepartmachinetechnicalChat with AIVocabulary GamePractice Reading
