This thread combined laevogyrate thread and dextral thread together in the same part of the thread.
发明了一种新型螺纹—唐氏螺纹，这种螺纹采用的是变截面非完整螺纹，并且将左旋和右旋螺旋线复合 在同一段螺旋线上，具有左、右放螺纹的特点，可分别与左、右旋螺纹配合。
I could not resist trying to go just once round in Vincenti's fashion.
我禁不住学着文森特的样子旋转一圈。
She whirled the rope round and round .
她一圈一圈地旋转着绳带.
She whirled the rope round and round (her head).
她（在头上）一圈一圈地旋转着绳带.
the act of rotating in a circle or spiral.
以一个圈状或螺旋形旋转的动作。
Half pirouette: The same as a pirouette, except executed only in a half-circle.
后肢半旋转：类似一种单脚旋转，但只转半圈。
The helix makes a complete turn every 3.6 residues.
每个3．6个残基，螺旋正好转一圈。
Draw a circle. Cut the circle. Colour the circle. A toothpick Spin the spinner.
画个圆圈。剪下圆圈。给圆圈涂色。一个牙签。旋转陀螺。
rotation or vibrating coil magnetometer
旋转或振动线圈磁强计
elapsed time rotating bezel
用时计算功能旋转表圈
Merry goes round, goes round, goes round.
快乐转了一圈，转了一圈，转了一圈。
The distance that a propeller would travel in an ideal medium during one complete revolution, measured parallel to the shaft of the propeller.
推进器转一圈的距离飞机螺旋桨旋转一次的前移距离，以其与螺旋桨相平行的距离衡量
The act of twirling or the condition of being twirled; a quick spinning or twisting.
很快的旋转旋转的动作或者被旋转的状态；很快的旋转或转圈
Those whirling circles one above the other are worse than the jangling of all the bells.
这些一个比一个高的旋转的圆圈，真有比齐鸣的钟声还要坏。
After a few rotations, taking perhaps2 billion years, the arms would" wind up," producing a fairly continuous mass of stars.
转过几圈之后，就算20亿年，旋臂就会收紧，形成一大片密集的恒星。
To cause to turn around or as if around a central axis;revolve or rotate.
旋转使盘旋，使仿佛绕着一中心轴旋转；旋转，回旋
The touch of a cluster of leaves revolved it slowly, tracing, like the leg of compass, a thin red circle in the water.
一堆落叶使它慢慢旋转，像经纬仪一样，在水上转出一道细细的红色的圈子。
The touch of a cluster of leaves revolved it slowly, tracing, like the leg of transit, a thin red circle in the water.
一堆落叶使它慢慢旋转，像经纬仪一样，在水上转出一道细细的红圈子。
Turn the focus ring until the double image become a single image.
旋转对焦圈直至叠影变清晰为止。