?对于
Unit 1 Cultural Relics ... be used to do sth. 被用来做某事 as hard as stone 像石头一样硬 be made into . . . 被制成 ...
就...而言
on the part of
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。