Stephen was stabbed to death in an unprovoked attack nearly five months ago.斯蒂芬在近5个月前无故遭到袭击，被捅死了。an act of unprovoked aggression无端的侵犯行为Her angry outburst was totally unprovoked.她的暴跳如雷完全是无理取闹。a totally unprovoked attack无端...
The smaller lake ranges from five to fourteen feet in depth.小一些的湖深度从5英尺到14英尺不等。The differentiation between the two product ranges will increase.这两个产品系列之间的差别将会加大。Tactical nuclear weapons have shorter ranges.战术核武器的威力范围较小。...