ATDCn.在上死点后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)atrioventricular interference dissociation干扰性房室分离,干扰性房室脱节Attributive adjectives precede the noun.定语形容词位于名词前。At first self-conscious and tongue-tied开始时； 感觉很扭怩； 说话结结巴巴的Atrioventicular nodal reentrant tachycardia房室结折返性心动过速Atherosclerosis of other specified arteries其他特指动脉的动脉粥样硬化Attenuating frequency characteristic method衰减频率特性法Atractomorpha heteroptera B. --Bienko异翅负蝗atrioventricular dissociation by usurpation潜越性房室分离atrophoderma reticulatum symmetricum facies面部对称性网状皮肤萎缩, 网状红斑萎缩性毛囊炎ATIS Automatic Terminal Information Service自动终端信息服务