noun🔗Share螺旋, 螺线 A curve that is the locus of a point that rotates about a fixed point while continuously increasing its distance from that point."The snail's shell has a beautiful spiral shape. "蜗牛的壳有着美丽的螺旋形状。mathfigurescienceChat with AIVocabulary GamePractice Reading
noun🔗Share螺旋, 螺线 A helix."The staircase was a beautiful spiral, winding up to the top floor of the museum. "楼梯是一个美丽的螺旋，盘旋而上，通往博物馆的顶层。mathphysicssciencestructurenatureChat with AIVocabulary GamePractice Reading
noun🔗Share螺旋式上升，恶性循环 A self-sustaining process with a lot of momentum involved, so it is difficult to accelerate or stop it at once."The student's poor study habits created a spiral of failing grades, making it hard to catch up. "这个学生糟糕的学习习惯造成了成绩不断下滑的恶性循环，现在想赶上已经很难了。processsystemtendencyeconomyChat with AIVocabulary GamePractice Reading
verb🔗Share盘旋，螺旋上升。 To move along the path of a spiral or helix."The falling leaves spiralled down from the tree."落叶从树上飘落，盘旋着落了下来。actionwayphysicsmathChat with AIVocabulary GamePractice Reading
verb🔗Share盘旋，螺旋式上升，使成螺旋状。 To cause something to spiral."You need to learn how to spiral a ball."你需要学习怎么把球投掷出去，让它呈螺旋状旋转。actionprocesstendencyChat with AIVocabulary GamePractice Reading
verb🔗Share螺旋式上升，盘旋上升 To increase continually."Her debts were spiralling out of control."她的债务已经像螺旋一样失控地上升了。amounttendencyeconomyChat with AIVocabulary GamePractice Reading
adjective🔗Share螺旋形的，盘旋的。 Helical, like a spiral"The notebook had a spiral binding, making it easy to flip through the pages. "这个笔记本是螺旋装订的，所以翻页非常方便。structureChat with AIVocabulary GamePractice Reading
