The school in Poldown was not big enough to accommodate all the children.波尔登的学校不够大，容不下所有的孩子。He told her how the boys in East Poldown had set on him, teasing him.他告诉她东波尔顿的男孩们是如何攻击他、嘲笑他的。...
Flavin: Any of a class of organic compounds, pale yellow biological pigments that fluoresce green.黄素: 一组浅黄 、 绿萤光生物色素,在植物和动物组织中分布很广,含量少.The cheaper FNDs fluoresce roughly as well as those produced with an electron beam.此种...
You have done a brave act and you will hear about it.你干了一件勇敢的事,你将会受到奖赏的.You always hear about planes being delayed because of technical faults.你总能听到由于技术事故而使飞机迟期起飞的事.What you hear about may be false; what you see is true....