In the seventeenth and eighteenth centuries, the British parliament enacted a number of laws, called Navigation Acts, governing commerce between Britain and its overseas colonies.
在17和18世纪，英国议会颁布了一系列名为“航海条例”的法律，以管理英国和其海外殖民地之间的贸易。
Also, a virus called I.A.P.V., for Israeli acute paralysis virus, was present in almost half the colonies studied.
而且，研究发现一种名为以色列急性麻痹病毒(I.A.P. V .)存在于半数被研究的蜂群中。
There are three forms, which called military colonies, veteran colonies and civilian colonies.
海外殖民地主要有军事殖民地、老兵殖民地以及平民殖民地三种类型。
While on land they make their nests in enormous colonies called rookeries.
在陆地上的时候，他们在成为群栖地的大面积区域中筑巢。
While on land they make their nests in enormous colonies called rookeries.
在陆地上的时候，他们在成为群栖地的大面积区域中筑巢。
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