To rotate to the left, use a negative number.

要向左旋转，请使用负数。

youdao

A left-handed molecule is one that causes polarised light to rotate to the left (ie, anticlockwise).

左旋分子就是使偏振光发生左(即逆时针方向)旋的分子。

youdao

The actual disk arms must find the correct cylinder, the control needs to access the correct blocks, and the disk heads have to wait while the blocks rotate to them.

实际的磁臂必须找到正确的柱面，控制部分需要访问正确的块，并且磁头必须等到这些块旋转到磁头下面。

youdao

The number that you choose to rotate your letters by is what we call in cryptography, a key.

你选择的旋转字母的数量,就是所谓的加密学，一个密钥。

哈佛公开课 - 计算机科学课程节选

So in order to rotate a double bond, you have to actually break the pi bond, so essentially what you're doing is breaking the double bond.

为了能够旋转双键，你必须打破一个π键，本质上我们要做的就是打破双键。

麻省理工公开课 - 化学原理课程节选

As I mentioned, we'll rotate the teaching fellows through different parts of the alphabet, so every teaching fellow will have equal opportunity to grade work from each person in the class.

如我所说,我们会根据字母顺序,来更换助教,因此,每一位助教都有相同的机会,为班上每个人的作业评分

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

We wanted to rotate to maintain his condition and to give everyone great motivation.

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The Nest has an outer ring that you can rotate to either lower or boost the temperature.

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The judges who rotate to that function very carefully look at what's there.

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