Gunpowder was used in China as far back as the 11 th century.远在公元11世纪,中国已使用火药.A smell of gunpowder penetrated the woods.森林中弥漫着火药味.Gunpowder was introduced into Europe during the first half of the 14 th century.在14世纪上半叶,火...
Gunpowder is composed of sulfur, carbon, and potassium nitrate.火药是由硫 、 碳和硝酸钾组成.A smell of gunpowder penetrated the woods.森林中弥漫着火药味.Gunpowder was used in China as far back as the 11 th century.远在公元11世纪,中国已使用火药.Gunpowder w...
这些峰分别相当于乙基和丙基的侧链开裂.These peaks correspond to side - chain cleavage of the ethyl and propyl groups respectively.'聚'.''氨脂一种氨基甲酸中除''.'乙基'.''酯以外的酯.Any of several esters, othe...
他是光棍一条.His hat covers his family.难道吉特一直打着光棍 吗 ?Did Kit live a single man all his days?光棍来宾都一字靠在墙上, 有口无心地聊着天儿.The stags line up against the wall, chat cursorily with one another....
两个非等位基因影响同一性并能增强彼此的效应.Two nonallelic genes affect the same character and enhance each other's effect.WTO体系 矛盾的斗争性和同一性是WTO体系矛盾的基本属性和基本关系.Belligerence and identity are basic attributes and relations of the WTO system....
a study of the religions and mythologies of ancient Rome关于古罗马的宗教和神话的研究The book is about the mythologies of primitive races.这本书是原始民族神话集.This realization is enshrined in " Mythologies. "这一看法见诸于他的《神话集 》 一书.This is well illu...