arak亚力酒
ARAn.[天]天坛星座abbr.机载雷达附件(=Airborne Radar Attachment)
aragonite platelet文石片
Araneus tartaricusn.鞑靼园蛛
Arachnura melanuran.黄尾园蛛
Arattus norvegicus褐家鼠
Arakawa's reaction蚂蚁预测
aramid fiber paper芳纶纤维纸
Aralia decaisneanan.黄毛楤木
Araneus motuoensisn.墨脱园蛛
Arachniodes henryin.川滇复叶耳蕨
Arago rs rotations阿拉戈旋转, 阿剌果旋转