原文:虽然美国多次声明恪守“一个中国”政策,但它应以实际行动来信守诺言,而不能食言。
译文: Although the US has reaffirmed many times that it adheres to the one-China policy, it should take actions that honor its words, rather than eating its words.

原文:虽然美国多次声明恪守“一个中国”政策,但它应以实际行动来信守诺言,而不能食言。
译文: Although the US has reaffirmed many times that it adheres to the one-China policy, it should take actions that honor its words, rather than eating its words.

改译：Although the US has reaffirmed many times that it adheres to the one-China policy, it should take actions that honor its words, rather than breaking its promise/word.