Puerto Rico remains a US commonwealth, not a state.

波多黎各至今仍然是美国的一个自治政区，而不是一个州。

《牛津词典》

Puerto Ricans are U.S. citizens but they have no representation in Congress.

波多黎各人是美国公民，但是他们在国会中没有代表。

《柯林斯英汉双解大词典》

youdao

Puerto Rico,Guam,American Samoa, the Northern Mariana Islands, the U.S.Minor Outlying Islands and the United States Virgin Islands are territories.

VOA: special.2010.04.02

It's about maybe half an hour, one hour from Barbados and maybe another hour and half from Puerto Rico.

从巴巴多斯岛到那儿大概要半小时或一小时；从波多黎各到那儿则需要再花上一个半小时。

和纽约的留学生 - SpeakingMax英语口语达人

You know, I got a couple in South Beach in Puerto Rico... but most of them are great here.

在波多黎各的南海滩也发生过一些有趣的事情……但大多数的趣事还是发生在这里。

第一次与妻子见面 - SpeakingMax英语口语达人

But pinning mofongo to a specific place in Puerto Rico is challenging, if not outright impossible.

BBC: On the mofongo trail in Puerto Rico

This glamorous clientele sips bubbly champagne cocktails and highballs like the 1950s Puerto Rican classic, Campari Cooler.

BBC: Cocktailing in the Argentine capital

Ducking in to El Jibarito on Calle Sol, Puerto Rican flags hung proudly from the walls.

BBC: On the mofongo trail in Puerto Rico