DXfaɪvˈhʌndrədten高Economist⁵³⁵⁸¹⁺¹ 基本例句 n.长距离⁵⁰远距离接收或发送;长距离的⁵⁰ That's why we are doing it. But, we need to know what to do with dx and dy. Well, here, the answer is pretty easy y because we just change x and y separately. 这也是我们这么做的原因,但我们还需要知道,怎样处理 dx和 dy,答案非常简单,因为我们已经分别改变了 x和。 open.163.com