| advancement | 进展；提升 progress：promotion |
| advanced | 高级的；年老的；先进的 |
| advent | 出现，到来 coming, appearance |
| adventure | 冒险经历 risk, venture |
| adventurous | 喜欢冒险的，敢做敢为的 valiant, venturesome |
| adventurer | 冒险家 |
| adverse | 负面的，不利的 ill, disadvantageous 敌对的，相反的 hostile, antagonistic |
| adversely | 相反地；不利地 negatively, detrimentally |
| adversity | 不幸，灾难 misfortune, mishap |
| advocate | 提倡者，主张者，拥护者 champion, proponent 拥护，主张 urge, preach, support |