Attl奥特尔atprep.在；向；达n.基普(老挝货币基本单位)(=att)；[化]砹(极不稳定放射性元素)abbr.密封的(=airtight)abbr.气温(=air temperature)at the Hyde Park Hotel.attenuation coefficient k衰减率katrial fibrillation/TH心房颤动／治疗atrial parasystolic beats房性并行心律搏动atenuation characteristic衰减特性atrioventricular interval房室间期Atrijuglans hetaohei Yang核桃举肢蛾At the height of activity活动达到高潮attributive - head form定中式At present no problems.目前未发现问题。