Try some of this new patent medicine.试试这一种新的专利药品吧。The trademark is registered on the book of the Patent Office.该商标已在专利局登记注册.A patent technology about rectifying tower tray was introduced.介绍了一项关于精馏塔板的最新发明专利.Gloominess is ...
绅士应该总是彬彬有礼,即便是对地位不及自己者.A gentleman should always be civil, even to his inferiors.这位绅士，尽管年事已高，仍然帮着凯瑟琳回到座位上。The gentleman, despite his advanced years, helped Kathryn back to her seat.这个电话是一位绅士打来的，他似乎非常诚恳。I got this phone c...
This large fireplace can produce 45, 000 BTU adjustable heat.这款大型壁炉可产生45, 000btu的可调节热量.He is already the general engineer of this low BTU water gas project.他已经是这个低热水煤气工程的总工程师了....
Hydrogen is a one - valence element.氢是一价的元素.Valence is a sleepy little town just south of Lyon.瓦朗斯是里昂南面一座寂静的小镇。Every element tends to satisfy both its primary and secondary valence.每一元素倾向于既满足它的主价又要满足它的副价....