seashell/ˈsiː.ʃel/名词海贝壳I picked up a beautiful seashell while walking along the shore, its spiral pattern glistening in the sunlight.我沿着海岸散步时捡起了一个漂亮的贝壳,它螺旋状的图案在阳光下闪闪发光。想跟读,去练习