A字母開頭的單詞或詞組(第1頁)：
- angioscotoma
- Avogadro's number
- actual danger
- asbestos insulated wire
- admissible statistical phpothesis
- antaphroditic
- anabasine
- arsphenamized
- anti-knocking compound
- archaeological
- amylcaine hydrochloride
- apocrustia
- accumulative error
- approximate method
- Anopheles punctulatus punctulatus
- a bed of flowers
- a-m tuner
- appeal in forma pauperis
- allocated quotas
- aromatizer
- average-movement articulator
- algesiometer
- at dark
- arteriae iridis
- adjusting ring
- anacrine glnads
- adverse opinion
- Agamonematodum migrans
- accessory bone
- aston dark space
- accredited agent
- arteriae cremasterica
- arteriae radialis
- a-c transducer
- alizarin cyanine
- acetamino-toluene
- alkyl arsine disulfide
- arthroscope
- astringent mixture
- as weak as water