helix

英 [ˈhiː.lɪks]      美 [ˈhiː.lɪks]
  • n. 螺旋,螺旋状物;[解剖] 耳轮
星级词汇:
helix
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helix 螺旋形

来自拉丁语helix,螺旋的,来自PIE*wel,转,旋转,词源同involve,whelk.引申词义螺旋形。

helix (n.)
"a spiral thing," 1560s, from Latin helix "spiral," from Greek helix (genitive helikos), related to eilein "to turn, twist, roll," from PIE *wel-ik-, from root *wel- (3) "to turn, revolve" (see volvox).
1. Coil the fibre into a helix.
将纤维卷绕成螺旋形。
2. Normal, double - helix DNA is spiral, like a loosely coiled spring.
正常的双螺旋DNA是螺旋形的, 像一根松松地卷曲的弹簧.
3. The helix makes a complete turn every 3.6 residues.
每个3.6个残基,螺旋正好转一圈.
4. Some biological molecules have the form of a helix.
有些生物分子呈螺旋状.
5. This is the double helix.
这就是双螺旋.

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