aner雄蚁
anart.(用在元音音素前)一
an attentive husband一个体贴的丈夫
an indolent ulcer.慢性溃疡
an irregular outline不平整的外形
an error of omission省略错误
anhydrodigitoxigenin去氢洋地黄毒甙元
an artificial manner做作的态度[举止]
an oppressive regime一个镇压性政权
an awkward staircase上下不方便的楼梯
an eligible Bachelor一个合意的单身汉
an involved sentence复杂的难句