1. Police searched all the woods within a six-mile radius.
    警方搜索了在周围六英里以内的树林各处.

2. Our next obstacle was a shallow pool of water about half a mile across.
    下一个障碍是一片约半英里宽的浅水塘。

3. Latham made another attempt a week later and got within half a mile of Dover, but he was unlucky again.
    莱瑟姆一周以后也作了一次尝试，飞到离多佛不到半英里的地方。这次他又遭厄运，

4. In 1858, a French engineer, Aime Thome de Gamond, arrived in England with a plan for a twenty-one-mile tunnel under the English Channel.
    1858年，一位名叫埃梅.托梅.德.干蒙的法国工程师带着建造一条长21英里、穿越英吉利海陕的隧道计划到了英国。