Think of it as part of your body, like your arm or your leg. 把它想成是你身体的一部分，就象你的手和脚。
The number of cases of assault or the number of assault on policemen is increasing. 侵犯警察身体的案件数正在增加。
Our difficulty in approaching the mesoscale from above or below bespeaks a basic challenge of physics. 不管是由大或由小开始向中尺度推进，我们遇到的困难显示了这是物理的基本挑战。
Successful exploration programmes are likely to be based on the application of one or more of the many chemical and physical search techniques. 只有使用一种或多种化学和物理的普查方法才能制定出成功的普查计划。
