弘扬国学 · 传承文化

helix

英 ['hiːlɪks] 美 ['hilɪks]

解释

n. 螺旋，螺旋状物；[解剖] 耳轮

※ 提供单词"helix"的中文意思、发音示范及音标对照，中英文词源、例句和用法等。

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).

展开全部 ▼

例句和用法

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.