1. Above the surface of the water, the towers rise to a height of nearly 700 feet.
    塔身高出水面将近700英尺。

2. As it is only six feet across, it is barely noticeable.
    仅6英尺宽，很难被发现。

3. After switching on powerful arc lights, they saw great stalagmites---- some of them over forty feet high ---- rising up like tree-trunks to meet the stalactites suspended from the roof.
    他们打开强力弧光灯，看见一株株巨大的石笋，有的高达40英尺，像树干似地向上长着，与洞顶悬挂下来的钟乳石相接。

4. Admittedly it was an unusual pie dish, for it was eighteen feet long and six feet wide.
    这个馅饼盘子确实少见，有18英尺长，6英尺宽。

5. As soon as I tap on the window, you must stop within five feet.´
    我一敲车窗，你必须把车停在5英尺之内。"

6. As foot specialists will tell you, shoes can be dangerous to your feet.
    足科专家会对你讲：鞋子会危害你的脚。

7. "He's back!" she shouted; her brother, at six feet tall, towered over most Japanese men, and she knew at a glimpse that it was him.
    "他回来啦！"他的弟弟身高6英尺，比大多数日本男子高，她一眼望去就知道是他。

8. Athletes in high-impact sports such as running may also lose iron through a phenomenon where small blood vessels in the feet leak blood.
    运动员从事高度剧烈的运动，比如跑步时，也可能会因为足部细血管失血的现象而使铁质流失。

9. A mechanic strapped me into my harness, and plugged in the system that would allow me to breathe and talk at 35,000 feet.
    一名机械师帮我系上降落伞背带，插上能让我在35,000英尺高空呼吸和谈话的机械系统。

10. Action began with a rapid dive from 35,000 feet.
    我们开始行动，从35,000英尺的空中迅速向下俯冲。