とうあ【東亜】
East Asia；〔極東〕the Far East東亜の East Asian；〔極東の〕Far Eastern東亜諸国the East Asian nations [countries]
とうあつせん【等圧線】
an isobar; an isobaric line
とうあん【答案】
〔解答〕an answer；〔用紙〕an examination paper, a paper, an answer sheet答案を出すhand in one's answer sheet白紙...
とうあしょこく【東亜諸国】
the East Asian nations [countries]
とうあの【東亜の】
East Asian；〔極東の〕Far Eastern
