YOU SAID:

did you know, that the USA is the only country to have operated coal-powered paddle-steamer aircraft carriers ?

INTO JAPANESE

石炭を動力源とする外輪船を運航しているのは米国だけだということをご存知ですか？

BACK INTO ENGLISH

Did you know that only the United States operates coal-powered paddle steamers?

INTO JAPANESE

米国だけが石炭を動力源とする外輪船を運航していることをご存知ですか？

BACK INTO ENGLISH

Did you know that only the United States operates coal-powered paddle steamers?