这是公狗还是母狗？Is this a dog or a bitch?不论公狗还是母狗,都应该显得结实、骨量充足.Both dog and bitch appear solid and of good substance.公狗比母狗要宽.Broader in dogs than in bitches....
...the grubby business of politics.肮脏的政治活动...kids with grubby faces.脸上脏兮兮的孩子They knock around on weekends in grubby sweaters and pants.他们周末穿着邋遢的毛衫和裤子到处闲逛。His white coat was grubby and stained.他的白色外套污迹斑斑，简直脏透了。Instead, bu...
Navigation is difficult on this river because of hidden rocks.由于多暗礁, 在这条河上航行很困难。Tourists were scrambling over the rocks looking for the perfect camera angle...游客们在正爬上岩石寻找最佳的拍摄角度。The river frets away the rocks along its b...