He became a British citizen, thereby gaining the right to vote.

他成了英国公民, 因而得到了投票权.

《简明英汉词典》

She became a British citizen by marriage.

她因结婚成为英国公民.

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I am British citizen, and as such am entitled to the full protection of the law.

我是一位英国公民, 因而应该充分受到法律的保护.

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She became a British citizen by virtue of her marriage to an Englishman.

她借着同英国人结婚而成为英国公民.

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