The suspect alleged that he had not been in the neighborhood at the time of thecrime.嫌疑犯声称案发时他不在现场。
claim v.要求，声称，断言。多指根据某种规定提出的要求或主张。
They claim that if more people rode bicycles to go to work there would be fewer automobiles in the downtown section of the city.他们声称如果有更多的人骑自行车上班的话，闹市区的汽车就会有所减少。
announce v.宣布，宣告。多指首次当众正式宣布某一主张或态度，常常带有预告的意味。
The invention of the printing press announced the diffusion of knowledge.印刷术的发明宣告了知识普及时代的来临。