Thanks to all this high-tech study, scientists have figured out that DVM is fueled by more than just sunlight changes.

多亏了所有这技研究，学家们已经发现 DVM 不仅仅是由阳光变化促进的。

Speaking with the American Kennel Club, veterinarian Dr. Laurie S. Coger, DVM, said that munching on soil can be indicative of a dog's emotional state.

兽医劳里·格博士（音译）在接受美国犬业俱乐部 采访时说，咀嚼土壤可以表明的情绪状态。

Dogs have two types of cones that pick up blue-violet and yellow shades, says Lara Sypniewski, DVM, a professor of small animal medicine at Oklahoma State University.

俄克拉何马州立大学小型动物医学教授、兽医临床医生拉腊·西普尼夫斯基称，有两种视锥细胞，可以分辨蓝紫色和黄色。

12. For a tiny microscopic organism, that's a huge distance! Remember now, zooplankton can't swim very well, and DVM requires a lot of energy, so there must be an important benefit to this daily up and down commuting.

对于一个小型微生物来说，这是一个很长的距离。要记住，浮游动物不能很好的游动且昼夜垂直移动需要很多能量，所以每日沉沉浮浮的移动过程一定有重要的益处。