英国商船旗

例句：

1. 1.The captain's flag is flying proudlyat the masthead.
   船长的旗帜在桅杆上高高飘扬。
2. 2. Thecrew was gathered around to witness the raisingof the ship's flag.
   船员们聚集在一起观看升旗仪式。
3. 3. The newflag design has been adopted as the officialsymbol of the navy.
   新的旗帜设计已被采纳为海军的官方标志。