"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).
实用例句
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.
