unpaid work done either as a form of punishment by a criminal or as a voluntary service by a citizen
社区服务, 公益服务
something that a person spends time doing, particularly to accomplish a certain purpose
活动, 行为
to make something more beautiful or attractive, typically by adding decoration or enhancing its appearance
美化, 装饰
an area with human population that is smaller than a city and larger than a village
镇, 小镇
waste such as bottles, papers, etc. that people throw on a sidewalk, park, or other public place
垃圾, 废物
to assemble money or resources, particularly in order to achieve or create something
筹集, 获取
something that we use to buy and sell goods and services, can be in the form of coins or paper bills
钱, 货币
the quantity that is measured in seconds, minutes, hours, etc. using a device like clock
时间, 时长
the red liquid that the heart pumps through the body, carrying oxygen to and carbon dioxide from the tissues
血液