to form gigantic plagues several billions strong and as much as 40 miles wide. 从而形成巨大的灾害 无数“瘟神”组成的大军绵延长达40英里
This water fell as rain in mountains more than a hundred miles away. 这些水来自100英里之外的山地降雨
that these elephants walk up to 50 miles a day 所以这些大象每天得走上50英里
These sand scenes can be hundreds of miles across. 这些沙漠布景可宽达数百英里
Dunes of sand hundreds of miles long streak their surface. 绵延数百英里的沙丘像是一条条皱边花纹
Each year explorers chart over a hundred miles of new cave passages. 每年 探险家们都会测绘 上百英里新的洞穴通道
cutting through literally miles of limestone. 凿穿了差不多数英里的石灰岩
and since this discovery more than 120 miles of passageways have been mapped. 自从那次发现之后 迄今已测绘了120多英里的地道
The source of these toxic fumes lies several miles below. 这些毒气的源头位于地下几英里处