noun 下载 🔗分享 基础，地基，基本原理。 A support or foundation, especially as a structure of masonry that supports a wall. Examples : "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。 architecture building structure 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 基础，根基. A basis for something. Examples : "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。 theory structure system business philosophy 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 基础, 腿脚。 The lower body or legs. Examples : "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。 body anatomy part 与AI对话词汇游戏阅读练习
