ship of the line ensign
构词拆分
ship of the line词根/词干
+
ensign词根/词干
词源说明
From ship of the line + ensign
释义（英文）
名词 Noun
- (military) Junior officer rank used in the navies of some Romance-speaking countries, usually equal in rank to the British rank of sub-lieutenant or the American rank of lieutenant junior grade.