1. But suppose the earth could be covered with sensors spaced one foot apart, rising at one-foot intervals all the way to the top of the atmosphere.
    假设地球上可以布满传感器，每个相隔1英尺，并按1英尺的间隔从地面一直排列到大气层的顶端。

2. They planted trees in the intervals between the houses.
    他们在房子与房子之间种上了树.

3. He was eating an apple, giving a long melodious whoop at intervals, followed by a deep-toned ding-dong-dong, ding-dong-dong, for he was personating a steamboat.
    他在吃苹果，不时发出长长的悦耳的呼叫声，紧接着是音色深厚的叮咚咚、叮咚咚声，他正在扮一艘轮船。

4. The graphic record shows three waves arriving one after the other at short intervals.
    曲线记录就能显示出前后相同的这3种地震波。

5. Indeed, it may well be that those whose work is their pleasure are those who most need the means of banishing it at intervals from their minds.
    说实在的，把工作当作享受的那些人最需要每隔一段时间把工作从头脑中撇开。