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helix ['hi:liks]

n. 螺旋,螺旋状物,耳轮

复　数：he·lix·es or hel·i·ces

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The distance between two corresponding points on a helix.
螺旋的间距螺旋线上两个相应的点之间的距离

　以下网页可能有助于你对本词条的理解：

Helix nebula. Dust from comets that survived the death of their star is clouding the "eye" of the distant Helix nebula, as revealed by an image released by NASA's Spitzer Space Telescope on Feb. 12.查看全文
Key: 以下内容为需要回复才能浏览 1. the double helix structure 2. Biological systems 3. start of the arm standoff 4. stock piling guns and explosives 5. His murder remains unsolved查看全文

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单词量 SuperStar