To investigate the allergen distribution and characteristic in hypersensitive children.了解儿童变态反应性疾病患者过敏原分布情况及特点.When the immune system encounters an allergen , it may become sensitised.当免疫系统发现了过敏原就会致敏.Long - term exposure...
布朗德罗以357分的得分获得最有价值球员奖。Brondello secured the MVP award by scoring 357 points.总统本周的华盛顿之行看来是有价值的。The President's trip to Washington this week seems to have been worthwhile.这架显微镜内有价值数百美元的电子元件。The microscope contains a f...
What has Longfellow the most successful of them all, to offer us?他们中最成功的文人是朗费罗, 可是他又给我们提供了一些什么 呢 ?Even so, there is a slight odour of potpourri emanating from Longfellow.纵然如此, 也还是可以闻到来自朗费罗的一种轻微的杂烩的味道.Nor was Longfellow w...