大多数用于操控这种转换的方法，比如翻译、旋转和连接可以在左乘模式和右乘模式下实现。

Most of the methods for manipulating this transformation, e. g. Translate, Rotate, and Concatenate, can operate in either PreMultiply (the default) or PostMultiply mode.

youdao

不幸的事，在矩阵中，你们要从右往左乘。

Unfortunately, with matrices, you multiply things from right to left.

youdao

对直往前走，然后转右（左），乘12路公共汽车，下车后再问。

Go straight ahead and turn right(lift), take No. 12bus, then ask again after you get off.

youdao