the frontier between the land of the Saxons and that of the Danes撒克逊人土地和古斯堪的纳维亚人土地的边界There were very few border controls on the southwestern frontier.西南国界上没几个边境检查站.The frontier station was starved for food and water.边防站急...
Warehouses at the frontier between the two countries fill up with sacks of rice and flour.两国边境地区的仓库里堆满了一袋袋的大米和面粉。John F . Kennedy typified the new frontier spirit.约翰. 肯尼迪为新拓荒者精神的典型人物.A 'frontier-free' Europe im...
Selective dehydration of hexose, such as D - fructose, is one of main synthetic methods for 5 - hydroxymethylfurfural.果糖等己糖选择性脱水是制备 5- 羟甲基糠醛的主要方法之一....
尿囊素是一种重要的尿素衍生产品.Allantoin is one of the important urea derivative products.车前草含有一种叫做尿囊 素 的化学物质,是消炎抗菌的.Plantain contains a chemical ( called allantoin ) that is anti - inflammatory and antimicrobial.海洋BIO极致精华眼霜主要成分 及 功效: ...