The contaminated water forced the family to sell its herd of 60 dairy cows and take jobs off the farm .
由于水源受到污染，她们只好卖掉60头奶牛的畜群，到农场外找工作。
Herd infections were already reported in canada , australia , argentina , ireland , britain and norway .
牧群感染已经出现在了加拿大、澳大利亚、阿根廷、爱尔兰、英国以及挪威。
In fact , the pkmzeta molecules appeared to herd themselves , like army rangers occupying a small peninsula , into precisely the fingerlike connections among brain cells that were strengthened .
His mind is in the herd stage , and he is as grossly material in his politics as freud in his psychology .
他的头脑还停留在畜群阶段，他心目中的政治，就像弗洛伊德眼中的心理学，完全是本能物欲的。
Half of the cows in the national dairy herd are raised in intensive confinement , where they suffer emotionally from being socially deprived and being prohibited from natural behavior .
