劈制小方材
This is the home of the Patent Records Office, 4, 600 square meters of storage space hewn out of solid rock, the last repository of America's intellectual property.
FORBES: The smother of invention
英汉双解词典包含3185865条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。