His patrols halted the raiding parties: hunger assailed the Danish army.

他派出巡逻队阻止敌人抢劫，因而饥饿威胁着丹麦军队。

Suppose every sensor gives perfectly accurate readings of temperature,

再假定每个传感器都极端准确地读出了温度、

'Rest', in terms of muscle relaxation and so on, can be achieved by a brief period lying, or even sitting down.

“休息”，从使肌肉得到放松等方面来看，只要稍微躺一躺，甚至坐一坐就能达到。

The hovercraft is particularly useful in large areas with poor communications such as Africa or Australia;

气垫船在非洲、澳大利亚等交通不发达地区特别有用。

2 'It's possible, but not worth doing.'

二、 可能，但不值得做。"

then reset the whole thing in the Scottish Highlands.

后来却把整个故事背景换成了苏格兰高地。