verb🔗Share思考，考虑 To ponder, consider."After the difficult exam, Maria needed some time to perpend her mistakes and figure out how to improve. "考完那场艰难的考试后，玛丽亚需要一些时间来仔细思考她的错误，并弄清楚如何改进。mindphilosophyChat with AIVocabulary GamePractice Reading
noun🔗Share丁头砖， 射石。 A brick or stone that has its longest dimension perpendicular to the face of a wall, especially one that extends through the wall's entire thickness."The mason carefully placed each perpend to interlock the two layers of brick in the garden wall, ensuring its stability. "石匠小心翼翼地放置每一块丁头砖，使花园围墙的两层砖块相互咬合，确保其稳固性。architecturematerialbuildingChat with AIVocabulary GamePractice Reading
noun🔗Share垂直缝，竖缝 A vertical joint (usually mortar) between bricks or blocks in a horizontal course."The bricklayer carefully checked the perpend between each brick to ensure a strong and stable wall. "瓦工仔细检查每块砖之间的垂直缝，以确保墙壁坚固稳定。architecturebuildingChat with AIVocabulary GamePractice Reading
