名词
1. (表示国籍的)舰旗,商船旗
An ensign is a flag flown on a ship to show what country the ship belongs to.
2. (美国的)海军少尉
An ensign is a junior officer in the United States Navy.
1. colors flown by a ship to show its nationality
2. an emblem flown as a symbol of nationality
Synonym: national flag
3. a person who holds a commissioned rank in the United States Navy or the United States Coast Guard
below lieutenant junior grade