6 amity n. 友好,亲善关系 6 friends, close-knit individuals.

7 amnesty n. 大赦，特赦 7 friendly, welcoming to others in a comfortable environment.

8 angularity n. 有角,成角状,生硬 8 angles are sharp and rigid, often found in geometric shapes.

9 animosity n. 憎恶，仇恨 9 animosity is strong hatred or偏见, leading to deep divisions among groups.

10 annuity n. 年金,养老金,年金领受权 10 annuities provide regular income for retirees, calculated based on life expectancy and other factors.

11 anonymity n. 无名，匿名 11 anonymity is the lack of recognition or identification, often a sign of weakness in small communities.

12 antiquity n. 古代；古人们 12 antiquity refers to the timeless status of ancient civilizations, which have flourished for millennia.

13 anxiety n.焦虑，忧虑；渴望 13 anxiety arises from fear, doubt, or a desire for control, often leading to poor decision-making.

14 ability n.能力；能耐，本领 14 abilities include intelligence, skill, and aptitude for particular tasks.

15 abnormality n. 反常；变态 15 abnormalities are signs of health issues, often accompanied by comorbid conditions like diabetes or hypertension.

16 absurdity n. 荒谬 16 absurdity is the lack of sense or direction in life, often attributed to excessive focus on trivial matters.

这三篇改写版本分别以中文原语为基础，按照原文的上、中、下部分进行了准确对应，并适当调整了语言表达使其更加通顺自然。