noun🔗Share基础，地基，基本原理。 A support or foundation, especially as a structure of masonry that supports a wall."The old stone house had sturdy underpinnings that kept it from sinking into the soft ground. "那栋老石屋有着坚固的地基，防止它陷进松软的土地里。architecturebuildingstructureChat with AIVocabulary GamePractice Reading
noun🔗Share基础，根基. A basis for something."I would like to know more about the underpinning of this political theory."我想更多地了解这个政治理论的理论基础。theorystructuresystembusinessphilosophyChat with AIVocabulary GamePractice Reading
noun🔗Share基础, 腿脚。 The lower body or legs."The table's wobbly underpinnings needed tightening to prevent it from collapsing. "桌子不稳的腿脚需要拧紧，不然就要塌了。bodyanatomypartChat with AIVocabulary GamePractice Reading
