在上周的世界杯预选赛中，威尔士队1比5负于罗马尼亚队。Last week Wales lost 5-1 to Romania in a World Cup qualifier.苏格兰队在冰岛举行的欧洲杯预选赛中处于领先位置。Scotland were ahead in their European championship qualifier in Iceland.纽约州将在星期二举行预选。New York holds its prim...
She was a fairly rigid person who had strong religious views.她相当顽固，宗教观念极强。He balanced his budgets by rigid control over public expenditure.他通过严格控制公共开支保持预算平衡。Andrew went rigid when he saw a dog, any dog, anywhere.安德鲁过去只要看...
The reaction conditions on oxidation of 2 - methylpyridine to 2 - acid by oxidation of potassium dichromate were studied.研究了以2-甲基吡啶为原料,以重铬酸钾为氧化剂,利用化学氧化法合成 2- 吡啶甲酸的反应条件....