常見例句The Ironman is the most difficult triathlon ever (4 kms swimming, 180 kms bikin, 42 km running? 鐵人競賽是最困難比賽，必須游泳四公里、腳踏車180公里、跑步42公里。The Ironman is the most difficult triathlon ever (4 kmsswimming, 180 kms bikin, 42 km running? 鐵人競賽是最困難的比賽，必須游泳四公里、腳踏車180公里、跑步42公里。One day, the son asks his father"Daddy,would you run the lronman with me?" The lronman is the most difficult triathlon ever(4kms swimming,180kms bikin, 42km running? 有一天;兒子問爸爸:爸爸和我一起去參加鐵人競賽;必須游泳四公里;腳踏車180公里;跑步42公里. 返回 Bikin