police regulations的用法和样例：
例句
- Police regulations have been as plentiful as blackberries; but they can only hedge in the distress of the workers, they can not remove it.
警察局的条例多得像雪片一样，但它们只能把工人的穷困状况包藏起来，而不能把这种状况消除。 - Police regulations prescribe that an officer's number must be clearly visible.
警员条例要求执行职务者的号码标志必须清楚易见。
