The Virginia Tech researchers filmed 19 dogs of different sizes and breeds as they drank water. They created different laboratory models to measure tongue motion, and the amounts of water taken in.__________________________弗吉尼亚理工大学的研究人员拍摄了19只不同体型和不同品种的狗喝水的场景.他们建造不同的实验模型测量舌头的运动及进水量.____________________________
