helix

英 ['hiːlɪks]美 ['hilɪks]

n. 螺旋，螺旋状物；[解剖] 耳轮

中文词源

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。

英文词源

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).

双语例句

1. Coil the fibre into a helix.

将纤维卷绕成螺旋形。

来自柯林斯例句

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.

来自辞典例句

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.

来自辞典例句

4. Some biological molecules have the form of a helix.

有些生物分子呈螺旋状.

来自辞典例句

5. This is the double helix.

这就是双螺旋.

来自辞典例句

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