狗摇尾巴，都是在高兴吗？

A wagging tail does not always mean happy. 摇尾巴，不一定都是高兴。 Tail to the right often means excitement. 尾巴往右摇，多半是开心。 Tail to the left often means nervous. 尾巴往左摇，多半是紧张。 Slow wags may say the dog is unsure. 摇得慢慢的，可能是它拿不定主意。 Fast wags usually mean real joy. 摇得飞快，才是真的开心。 A dog's tail is like its voice. 狗的尾巴，就是它的嘴巴。