It is the first time a U.S. Ally has taken part in a sea-based missile defense test after Tokyo agreed to develop missile defense technology with America last year.是什么意思_It is the first time a U.S. Ally has taken part in a sea-based missile defense test after Tokyo agreed to develop missile defense technology with America last year.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句