It also handles boundary conditions, which means that these details are correctly added even if our smoke puff hits an object.

它也可以处理边界情况，那意味着即使我们的烟雾团碰到了物体，这些细节也能被正确添加进来。

Then there was a snort, and black smoke puffed out of the statue's flared nostrils.

接着是一声闷哼，雕像张开的鼻孔里喷出黑烟。