etd
导读：etd读音音标英[]美[]
基本意思释义abbr.estimated time of departure 估计出发时间，预定离开时间; extension trunk dialing 分机中继拨号英英释义Noun1. a system for scree
基本意思释义abbr.estimated time of departure 估计出发时间，预定离开时间; extension trunk dialing 分机中继拨号英英释义Noun1. a system for scree
etd读音音标
英[]
美[]
基本意思释义
abbr.estimated time of departure 估计出发时间，预定离开时间; extension trunk dialing 分机中继拨号
英英释义
Noun
1. a system for screening luggage in airports; an agent passes a swab around or inside luggage and then runs the swab through a machine that can detect trace amounts of explosives
