季节更迭, 农事的波涛淹没了家庭的慈爱.The seasons succeed one another, and waves of farm work swept over domestic affection.一耕地丘形不适于农事工作或不利于灌溉 、 排水者.The arable land not suitable for farming, irrigation, and drainage.从此, 诵释拜佛, 不问家务农事.From ...
The treatment of infertility is largely dependent on the ability of couples to pay.对不孕不育的治疗很大程度上视乎夫妇的经济能力。Endometritis is a cause of infertility.子宫内膜炎是不育的原子.Among the new drugs approved in 2000 was Serono's Ovidrel ...
Children at school receive coloured stars for work well done.学校里的孩子表现得好会得到彩色星星。Stars appeared everywhere, spinning round and round, faster and faster.满眼金星乱转，而且越转越快。The stars must have formed 10 to 15 billion years ago.这些...
DNA fingerprinting has proved the clincher in this investigation.在这次调查中，DNA指纹鉴定起了决定性的作用。DNA profiling has aided the struggle against crime.DNA分析对于打击犯罪有所帮助。They act at least a temporary block to DNA synthesis in micro - o...