be observed

• 观察,留心

be observed的用法和样例：

例句

1. Regularity ought to be observed, as regularity is very conducive to health.
   生活应遵守规律，因为规律对健康有益。
2. But in land-travel, wherein so much is to be observed, for the most part they omit it; as if chances were fitter to be registered, than observation.
   但当其漫游于大陆，有诸多景象可观之时，他们却往往疏于着墨，仿佛偶然之所见比刻意之观察更适于记载似的。
3. A low-power, wide-angle telescope fixed to the body of a more powerful telescope and pointed in the same direction for initially locating an object to be observed.
   寻星镜一种低功率大视野的望远镜，附加在一台较大的望远镜上，为开始标出被观察的物体位置而指向同一方向
4. Troop movements can be observed from space by a satellite.
   藉助卫星可观察到部队的调动。