Anzen安森
anart.(用在元音音素前)一
angulus occipitalis ossis parietalis[医] 顶骨枕骨
Angiotensin-converting suppressant血管紧张素转换酶抑制药
An Efficient Spatial Index Structure一种高效的空间索引结构
an eight-page pull-out on health八页的保健插页
An importunate demand for payment.讨债
An enclosure for confining livestock畜栏用来圈住牲畜的围栏
an extremely sensitive radiometer.一种极度灵敏的辐射计。
An atom composed of antiparticles.反原子由反粒子构成的原子
an uncommon occurrence/experience不寻常的事情/经历