Atka单鳍多线鱼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)attenuation equation衰减方程at some distant time悠悠无期at the positive pole在正极at the best of timesadv.在情况最好的时候attemperating device温度控制装置attapulgite of kewda露兜油at someone's expense红凉伞atttitudinal loyalty态度忠诚Atrophaneura aidonean.暖曙凤蝶attriton-resistantadj.耐磨的