also SWAT, 1968, acronym said to be for Special Weapons and Tactics squad or team; or Special Weapons Attack Team.
updated on August 12, 2013
英语词源词典收录了45867条英语词源词条，基本涵盖了全部常用英语词汇的起源、历史，是研究英语词汇或通过词源学英语的必备工具。