a noncommissioned officer serving as chief administrative officer of a headquarters unit of the army
large blue-grey black-striped damselfish; nearly worldwide
同义词：Abudefduf saxatilis
There's also an increased focus on leadership training, with professional development courses for Iraqi squad leaders and platoon sergeants and warrant officers and sergeants-major.
NPR: Bush Reaffirms Iraq Strategy
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。