地球科学
将绳索绕一圈
交通运输工程
It's almost tempting to step into the pitch black, snatch a burning torch and begin our own subterranean adventure... but we turn back.
BBC: An Icelandic journey to the centre of the earth
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。