这昆虫的翅膀几乎是透明的。The insect's wings are almost transparent.羽毛最初由昆虫的翅瓣演化而来.Feathers initially developed from insect scales.他发现把昆虫的翅膀比作一艘帆船在某种程度上是有用的。He finds the comparison of insect wings with a sailing boat useful up t...
从一开始,这种灼烈的狂热就和卑下的动机混合在一起了.From the very first this flaming enthusiasm was mixed with base elements.她觉得掠过她脑际的这种思想是卑下的.She felt it mean to think the thoughts that ran through her head.这座城镇笼罩在一种卑下的贫乏和啃书本的浓雾中,学的全是以往的渣滓.A scu...
Polyoxyethylene glycols containing tertiary amine groups were synthesized with different amine initiators.以胺类化合物为起始剂,制备了几种含叔胺基的聚氧化乙烯二醇.tertiary syphilis第三期梅毒Antioxidant tertiary butyl hydroquinone was prepared by hydroqu...