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...
这家剧团上演了一出讲述无家可归者的戏。The company put on a play about the homeless.还有可能再次上演上周的辉煌胜利吗？What price a glorious repeat of last week's triumph?利里克剧院正在上演新排的《桥对面》。The Lyric Theatre is presenting a new production of "Over the Br...
a flag high atop a pole高挂在旗杆顶端的旗子There is a seagull perched atop the mast.有一只海鸥停歇在桅杆上.A tuft of grass atop the wall sways right and left in the wind.墙上一棵草,风吹两边倒....