It must have reinforced my determination to blend into my surroundings.这势必让我更加下定决心融入周围环境。Their indecision has been replaced by confidence and steely determination.他们的优柔寡断已经被自信和钢铁般的决心所取代。Cabinet ministers signalled their ...
It could not pass through material impervious to water such as mica.它不能通过云母这样的不透水的物质.The political system there has been impervious to all suggestions of change.那里的政治体制对于所有的改革建议一概置之不理。He remained impervious to all Nell&#...
另两个为胸腺嘧啶和胞嘧啶, 即称为嘧啶的单环结构.The other two, thymine and cytosine, are single ring structures called pyrimidines.直到不久以前,人们对胸腺的功能尚不明了.The function of the thymus was unknown until relatively recently.动物的免疫系统由两个主要部分组成,即胸腺和骨髓系统.I...