签订

Good examples of this model are high drive Malinois, who reach an aggressive state very quickly, because of their high drive and the fact that they seem to frustrate easily.

这方面典型的例子是马犬，很快能到侵略状态，原因是高动力和易有挫折感。

Vector containing separate scalar multiples for the x- and y-axes of the sprite.

Vector类型，包含x方向和y方向两个缩放参数。