Vocabulary

• in the world: Used to emphasize a question expressing surprise, confusion, or disbelief.
• requires effort: To need or demand effort to achieve something.
• care of: Used in an address to indicate the person who will receive the mail for someone else.
• at the same time: Simultaneously; at the identical moment.
• same time: Occurring simultaneously or at the same point in time.
• subscribe: To regularly pay to receive a service
• essential: Extremely or most important and necessary
• access: Way to enter a place, e.g. a station or stadium
• effort: Amount of work used trying to do something
• improve: To make, or become, something better
• sustainable: Capable of continuing for a long time
• hygiene: Cleanliness; being clean
• achieve: To succeed in doing good, usually by working hard
• community: Group of people who share a common idea or area
• imagine: To think creatively about; form mental picture of
• quality: Feature associated with someone or something
• accessible: Able to be entered, reached or used
• numerous: Existing in large numbers
• explain: To make clear or easy to understand by describing
• require: To demand that someone does something
• refer: To talk about or write about something
• planet: One of the bodies that orbit the sun
• sanitation: Water systems that protect people's health
• topic: Subject or issue people talk or write about
• reduce: To try to decrease, e.g. your weight if overweight
• social: Involving activity with people, e.g. in free time
• development: Act or process of growing bigger or more advanced
• marine: Soldier trained to serve on land and sea
• depend: Be controlled or determined by (someone/something)
• limit: Point beyond which it is not possible to go
• channel: Long hole dug in the ground, e.g. to move water
• place: To put someone in a particular type of situation
• important: Having power or authority
• solve: To figure out a way to handle a difficult problem
• restore: To return a thing to its original condition
• learn: To get knowledge or skills by study or experience
• resource: Something that can be used profitably; asset
• great: Very good; better than before
• pollution: Dangerous substances released into an environment
• part: Division of a book
• world: All the humans, events, activities on the earth
• time: Speed at which music is played; tempo
• live: To be alive
• hear: To be aware of sound; to perceive with the ear
• international: Of or relating to several countries
• people: Persons sharing culture, country, background, etc.
• universally: Applying to all people, times, places