早期的天文学家认为我们的星球是宇宙的中心。Early astronomers thought that our planet was the centre of the universe.人类对于宇宙的了解已经大为增加。Mankind's knowledge of the universe has increased beyond measure.载人宇宙飞行的前景看上去充满了越来越多的变数。The future for ma...
Demonstrable antibodies are evoked in carriers after a few weeks of infection.在感染几星期之后,从带菌的物体中能证实存在抗体.Antibodies were part of the r - globulin fraction of serum.抗体是血清r - 球蛋白的一部分.Objective : To investigate the feature of ...
The explorer climbed a tree in order to orientate himself.那位勘探者为了确定他所在的地点爬到了一颗树上.Anxiety comes from not being able to orientate yourself in your own existence.不能适应生活便会产生焦虑。Try to orientate your students towards the scien...
The municipal government will do something about the firetraps in the city.市府将对城里容易失火的建筑物采取防患措施.The decor was reminiscent of a municipal arts-and-leisure centre.这种布置让人想起都市里的艺术休闲中心。The one bright spot for municipal Wi - F...
“那是一种粉虱，对吗？”——“是的，是粉虱。”"That's a type of whitefly, is it?"— 'Yes. it is a whitefly.'北京地区粉虱分类研究 ( 同翅目: 粉虱科 )A TAXONOMIC STUDY ON WHITEFLIES IN BEIJING ( HOMOPTERA: ALEYRODIDAE )结果表明,烟粉虱对供试植物有明显的选择性,其嗜好程度为花椰...