A competition in which these sleds race against a clock.
逆时针比赛这种雪橇逆时针方向的比赛
Turning or spiraling from right to left; counterclockwise.
从右到左的，逆时针的从右向左转动或旋转的；逆时针方向的
Repeat flying a counterclockwise circle, but this time rolling the helicopter to the left.
以直升机向左侧滚的方式，执行逆时针方向的水平圆。
Fly a counterclockwise circle while rolling the helicopter to the right.
以直升机向右侧滚的方式，执行逆时针方向的水平圆。
The direction of conventional current flow is counterclockwise.
传统的电流方向是逆时针方向。
Turn the key anti'clockwise/in an,anticlockwise di'rection.
逆时针方向转动钥匙.
Everyone gets a turn, going counterclockwise,
每一个人按逆时针方向，
This maneuver must be done starting the nose-in circle both clockwise and counterclockwise.
分别以顺时针及逆时针的方向执行水平圆。
To shift to a counterclockwise direction. Used of the wind.
逆时针转向转变为逆时针方向。用于指风
The direction along a meridian90= counterclockwise from east; the direction to the left of sunrise.
北方从东逆时针方向沿着90度经线的方向；日出时左边的方向
A counterclockwise rotation, especially of the plane of polarized light.
左旋转逆时针方向旋转，尤指光的偏振面
Repeat the above step, but this time start pirouetting counterclockwise.
机体以逆时针的方向保持自旋，重覆执行步骤3。
Turning or rotating the plane of polarization of light to the left, or counterclockwise.
左旋的光的偏振面向左方向或逆时针方向转动或旋转的
South of the equator, the winds flow in the same direction as the hands on a clock. North of the equator, they flow counter-clockwise.
在南半球，风吹的方向和钟上的指针转动方向一样是顺时针的。而在北半球，风是以逆时针旋转的。
If the wheel is rotating counterclockwise, its angular-momentum vector is directed eastward.
如果轮子是逆时针方向旋转，其角动量矢量的方向朝东。
It is formed by a system of air rotating anticlockwise in the northern hemisphere and clockwise in the southern.
它是由一种北半球朝逆时针方向旋转而南半球向顺时针方向旋转的大气体系形成的。
left hand thread
左螺纹，倒牙（逆时针方向旋进）
As the heat increases, the young hurricane begins to swirl in a counter-clockwise motion.
随着热量的增加，新生的飓风即开始以逆时针方向旋转。
