ensign fly

例句：

1. 1.The ensign stood at attention as the flag was raised.
   当旗帜升起时，旗手站得笔直。
2. 2.He was promoted to the rank of ensign after completing his training.
   完成训练后，他晋升为旗手。
3. 3.The ensign led the parade with precision and poise.
   旗手以精确和从容的步伐引领游行队伍。