lieutenant colonel

lieutenant-colonel的词性：
n.Abbr. Lt Col, LTC（名词）缩写 Lt Col， LTC

1. A commissioned rank in the U.S. Army, Air Force, or Marine Corps that is above major and below colonel.
中校：美国陆军、空军或海军陆战队的军衔，高于少校，低于上校

2. One who holds this rank.
中校：有此军衔的人