乳牛的喂养方法发生了巨大的改变。The feeding of dairy cows has undergone a revolution.不能既想卖乳牛,又想喝牛奶.You cannot sell the cow and sup the milk.大多数乳牛约10个月后就不再有奶了.Most cows run dry in about 10 months....
The cables are all bright yellow to prevent you tripping over them.电缆都是亮黄色，以防绊倒人。Worn rugs increase the danger of tripping.磨损的小地毯会使人更容易绊倒。She is tripping along with her little steps.她踏着小步在轻盈地跳着舞....
He survived, to the amazement of surgeons.令外科医生惊讶的是，他竟活下来了。Democracy survived the Civil War and the developing industrial leviathan and struggled on into the twentieth century.民主经历了内战和庞大工业体系的逐渐兴起仍然幸存了下来，并且艰难挺进了20世纪。Many ...
I have an old T - shirt and pair of Levis that are my most comfy outfit.我有一件旧T恤和一条利维斯牛仔裤,这是我最舒服的衣服.Fear can be distinguished into serious fear , metus gravis , and trifling fear , metus levis.恐惧可分为极度恐惧(metusgravis)和轻度恐惧(...
研究了具有弹性夹层的层板结构的振动特性.The vibration behaviour of sandwich structure with spring interlayer is studied.导出了双层板 ― 性夹层的综合单元刚度矩阵.The stiffness matrix of synthetic dual plate - spring interlayer element is deduced.型主动脉夹层的治疗——腔内修...