The leaves of a giant lobelia plant, photographed on Mount Kilimanjaros Shira Plateau in Tanzania, spiral around the center. Photograph by George F. Mobley.
植物在自然界的模式。这些叶片是来自巨大的半边莲属植物。生长在乞立马扎罗山脉，坦桑尼亚国，螺旋形叶片围绕中心。
Gravitational tidal interactions with other members of its group have likely caused the spiral arms of NGC 3190 to appear asymmetric around the center, while the galactic disk also appears warped.
与星系群其它星系之间相互作用的引力潮可能导致了NGC 3190的旋臂不对称地环绕中心，而星系盘也出现了扭曲。
This will be the center of the spiral. Around center strip, overlap vegetables in a close spiral that lets slices mound slightly toward center. Set aside.
摆放八个交替的蔬菜片在中心，重复摆放保证四分之一英寸的切片露在外边。
This will be the center of the spiral. Around center strip, overlap vegetables in a close spiral that lets slices mound slightly toward center. Set aside.
摆放八个交替的蔬菜片在中心，重复摆放保证四分之一英寸的切片露在外边。
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