单词	double helix
释义	double helixˌdouble ˈhelix noun [countable] science, biology a shape consisting of two parallel spirals that twist around the same center, found especially in the structure of DNA
随便看	jeans jeep jeer jeering jeez Jefferson City Jefferson, Thomas jeggings Jehovah Jehovah's Witness jejune Jekyll and Hyde jell jellied Jell-O jelly jelly bean jellyfish jelly roll je ne sais quoi Jenner, Edward jeopardize jeopardy jeremiad Jeremiah

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