警方派人监视那个可疑人的住宅。
The police put a watch on the suspect's house.
他们利用自己的实践经验，设计了一台气冷柴油机。
According their practice experience，they design an air-cold diesel motor
Drawing on their practical experience, they designed an air-cooled diesel motor.
反过来说，其他星球上的刚刚开始进化的智力生命，他们要过几千年之后，也许才可能收到我们
的信号。
Conversely, intelligent beings which are just beginning to develop on remote worlds
may be ready to pick up our signals in thousands of years.
我们仅能依稀辨出桥下一条杂草丛生的窄沟。
Below the bridge we could just discern a narrow, weedy ditch.
林中地上光影交错。
The ground under the trees is chequered with sunlight and shade.
我们得保持身心健康平衡。
We have to keep an equilibrium（balance） of physical and psychological health.
文化差异让世界变得更有吸引力。
Diverse cultures make the world more appealing.
几乎没有证据来支持这些假设。
There is little evidence to support these hypotheses.
在他办公室的墙上是一幅大地图。
On the wall of his office was a large map.
A large map is on his office wall.
它同地球上还没有大气的时候一样 吗 ?
Did it resemble the earth when this was destitute of an atmosphere?