noun🔗Share主动声学设备 Initialism of active acoustic device.; active acoustical device."The sonar technician carefully calibrated the AAD before deploying it to search for the underwater object. "声呐技术员在部署主动声学设备搜寻水下目标之前，仔细地校准了它。technologysounddeviceelectronicstechnicalChat with AIVocabulary GamePractice Reading
noun🔗Share高级弹药库，先进弹药仓库 Initialism of advanced ammunition depot.""The newly constructed AAD ensured a steady supply of specialized bullets for the training exercise." "新建的高级弹药库确保了训练演习中特种弹药的稳定供应。militarytechnicalChat with AIVocabulary GamePractice Reading
noun🔗ShareAlloxazine 腺嘌呤二核苷酸 Initialism of alloxazine adenine dinucleotide."The research paper detailed the role of AAD in bacterial metabolism. "这篇研究论文详细阐述了Alloxazine腺嘌呤二核苷酸（AAD）在细菌代谢中的作用。biochemistrycompoundbiologychemistryChat with AIVocabulary GamePractice Reading
noun🔗Share抗生素相关性腹泻 Initialism of antibiotics-associated diarrhea."After a week of taking strong antibiotics for her sinus infection, Maria developed AAD and had to consult her doctor. "玛丽亚因为鼻窦感染服用了一周强力抗生素后，得了抗生素相关性腹泻，不得不去看医生。medicinediseaseChat with AIVocabulary GamePractice Reading
adjective🔗Share老的，旧的。 Old"My grandfather's aad house is a beautiful, historic building. "我爷爷那栋老房子是一座美丽而具有历史意义的建筑。agetimeChat with AIVocabulary GamePractice Reading
