unbagvt.把 ... 从袋里倒(或取、放)出来
UNabbr.(=United Nations) 联合国pron.<口>人,事物,家伙,东西
UN Assistance Mission联合国援助团
ungual commissurotome爪形交界切开器(分离器)
un-come-at-ableadj.难得到的;难达到的
unbound radioactivity非结合放射性
undetected error rate未发现误差率,漏检故障率,漏检错误率
uncivilized behaviour不文明的行为
Unverricht's syndrome联合国环境署
"unseasoned artillery volunteers"
"still untested in battle"
"an illustrator untried in mural painting"
"a young hand at plowing"
"an untested drug"
"untested theory"
"an untried procedure"