Designating a bullet with a metal (usually copper or other alloy) casing which fully surrounds the lead or other core material; abbreviated FMJ.
Usually without hyphens. A metal casing which fully surrounds the lead or other core material of a bullet.
Late 19th century; earliest use found in Recreation. From full + metal jacket.
英汉双解词典包含464360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。