To the south the hills dropped away to farmland.山势在南边一路下倾延伸至农田。The Netherlands has been reclaiming farmland from water.荷兰人一直在围海造地。250 acres of farmland250英亩耕地...
该培训包括产科学和妇科学的增加课时。The training covers extended periods in obstetrics and gynaecology.阿伯丁妇产医院的妇科医生在60位女性身上成功使用了该药。Gynaecologists at Aberdeen Maternity Hospital have successfully used the drug on 60 women.妇科癌症基金会领导了这项关于共同症...
The acid ewolises nearly as well as the ester.此酸的烯醇化几乎象酯一样良好.Diphenyl carbonate shows a typical vinyl ester effect.碳酸二苯酯表现典型的乙烯的酯类的效应.Ester is one of the most important compounds in Organic Chemistry.酯是有机化学中最主要的化合物之一....