Cute, cuddly, fleece - covered alpacas don't quite fit the image of a snarling guard dog.毛绒绒的羊驼十分可爱, 令人忍不住想去爱抚, 其形象与咆哮的护羊犬相去甚远.You can't call a hedgehog cuddly – that's a contradiction in terms!你不能说刺猬逗人喜爱—...
The water was reacting with the ferrous iron in the tank.水与水箱中的铁质产生化学反应.Nodules contain a mixture of ferrous and ferrous - oxy leghemoglobin.根瘤含有亚铁和亚铁一氧化豆血红蛋白的混合物.Ferrous metals , timber, and pulp seem to offer the main ...