Regiments are usually commanded by a colonel and are sometimes made up of soldiers from a particular city or part of the country.团通常由上校指挥，有时其士兵都来自某个城市或国家的某个特定地区。Climate has a great effect on the types of plants found in any given area.气候对于任何一个特定地区的植物种类都有很大影响。