A fast train does the journey to Ottawa in three hours.快车在3小时以内走完去渥太华的旅程.Fantastic. How long are you staying in Ottawa?太棒了! 你在渥太华能呆多久?I'm calling from downtown Ottawa.我是在渥太华市中心打电话.In 1937 he was seconded to the Roya...
Some of the finest drinking glasses are made from lead crystal.一些最高档的酒杯是用铅晶质玻璃制成的。He is the finest stylist in the English language of today.他是当今英语世界中文采最好的。He really was one of the finest boxers in post-war Britain.他确实是战后...
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...