Tanzania is a union of the states of Tanganyika and Zanzibar.

坦桑尼亚是坦噶尼喀州和桑给巴尔州的联盟。

《柯林斯英汉双解大词典》

As recently as five years ago, US migration was twice the rate of European Union states.

就在5年前，美国的移民率还是欧盟国家的两倍。

youdao

It is precisely these supranational institutions that are the best guarantee for the respect of the agreed rules in a union of sovereign states.

这些超国家机构是确保我们这个主权国家联盟的各种约定的规则得到尊重的保证。

youdao

The South was ready to secede -- leave and break up the Union of states.

VOA: special.2009.03.26

He said the Union of states was permanent -- that the men who built the Union did not do so only for themselves, but for all future Americans.

VOA: special.2009.03.19

Four years of bloody fighting had saved the Union of states.

VOA: special.2010.01.14

But should that stop a union of states with a sad history of wars?

ECONOMIST: Responsible NATO

The successive waves of market attacks on countries have exposed an inherent fragility of a monetary union of states in which each stands behind its own debt but with the usual escape routes of devaluation and inflation no longer available.

ECONOMIST: Eurobonds could restore confidence, but at a cost

In a union of sovereign states the most disciplined members do not want to pay for the most reckless.

ECONOMIST: Charlemagne