掌握country复数用法，轻松应对英语交流！

1. 可数名词（单数+s）：

- animals (动物) → animals, animals

- books (书籍) → books, books

- cars (汽车) → cars, cars

- people (人们) → people, people

- furniture (家具) → furniture, furniture

- tools (工具) → tools, tools

2. 不可数名词（单数+es）：

- information (信息) → information, information

- energy (能量) → energy, energy

- water (水) → water, water

- air (空气) → air, air

- light (光) → light, light

- money (钱) → money, money

3. 抽象名词（单数+s）：

- happiness (幸福) → happiness, happiness

- success (成功) → success, success

- knowledge (知识) → knowledge, knowledge

- love (爱) → love, love

- freedom (自由) → freedom, freedom

4. 专有名词（单数+s）：

- the United States () → the United States, the United States

- the Great Wall (长城) → the Great Wall, the Great Wall

- the Eiffel Tower (埃菲尔铁塔) → the Eiffel Tower, the Eiffel Tower

- the Statue of Liberty (自由女神像) → the Statue of Liberty, the Statue of Liberty

5. 合成名词（单数+s）：

- computer (计算机) → computers, computers

- software (软件) → software, software

- internet (互联网) → internet, internet

- cell phone (手机) → cell phones, cell phones

6. 集体名词（单数+s）：

- team (团队) → teams, teams

- class (班级) → classes, classes

- school (学校) → schools, schools

- committee (会) → committees, committees

7. 时间名词（单数+s）：

- yesterday (昨天) → yesterdays, yesterdays

- tomorrow (明天) → tomorrows, tomorrows

- next week (下周) → next weeks, next weeks

8. 节日和事件名词（单数+s）：

- Christmas (圣诞节) → Christmases, Christmases

- New Year's Day (新年第一天) → New Years Days, New Years Days

- Easter (复活节) → Easters, Easters

- Thanksgiving (感恩节) → Thanksgivings, Thanksgivings

9. 抽象概念名词（单数+es）：

- joy (快乐) → joys, joys

- (和平) → s, s

- progress (进步) → progresses, progresses

- development (发展) → developments, developments

10. 抽象名词（单数+es）：

- success (成功) → successes, successes

- achievement (成就) → achievements, achievements

- victory (胜利) → victories, victories

- triumph (胜利) → triumphs, triumphs

掌握这些复数形式不仅有助于日常交流，还能在学术写作、商务沟通以及任何需要精确表达数量和范围的场合中发挥重要作用。