butter bar

短语

发音

US

词形变化

butter bars 复数 butter bars

别名

butterbar

释义与例句

n.
  1. 1.

    A second lieutenant.

    俚语
  2. 2.

    An ensign.

    美国 俚语

词源

Derived from the insignia of an O-1 in the US Military, which consists of a single yellow bar.

来源：wiktionary