attestv.证明;作证
attentiveadj.注意的;留意的
attenuatern.衰减器(缩小束的装置)
attenuated beam衰减(线)束
attenuate waves消浪
Attenuate trend衰减趋势
attenuated type减弱型
attenuated virus减弱病毒
attenuated layer减薄层
attenuated toxin[医] 减弱毒素
attenuated septum细长隔壁
Attenuated Cocklen.金华鸟尾蛤(鸟尾蛤超科;鸟尾蛤科)
"the faded tones of an old recording"