ATTCn.自动传输试验和控制设备
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)
atresia naris鼻孔闭锁
at unit price单价
at sb's mercy任人摆布
at the outset一开始
at its heightadj.达最高点(在最旺盛时;正起劲)
atrial pacing心房起搏
at the tiller处于领导地位; 领导
at long bowlsadv.远距离地
at one's door
atroponitrile阿托腈