Vocabulary

• of course: Sure ; Certainly
• around the world: In or to many countries.
• over time: Gradually; as time passes.
• due to: Because of; owing to
• look at: To use your eyes to focus on something
• clean off: To remove dirt, marks, or unwanted matter from a surface by wiping or washing.
• used to: Did regularly before, but don't do now
• have to: Must do
• drag on: To last longer than expected, in a boring way
• primary purpose: The main or most important aim or reason for something.
• regardless of
• under control: Being managed or restrained; not out of hand.
• instead of: When one thing is replaced by another
• in with: Fashionable or popular at the moment.
• rather than: More exactly; more correctly
• wear off: To disappear gradually
• on the other hand : Considering a different aspect of the matter; alternatively.
• used up: To use all of; consume
• work on: To devote effort to improve or develop something
• based on: To use something as the foundation or starting point for something else.
• flake off: To come off in flakes or layers.
• think of: To look on as (being something specific); consider
• no matter: Regardless of; it does not matter.
• result in: To cause or produce as a consequence.
• on the other side of: Located across something from a given point.
• for example: As an illustration or instance.
• aside from
• with it: Intelligent, alert, and up-to-date.
• look into: To investigate or try to discover the reasons for
• in use: Being used at the present time.
• sort: To organize things by putting them into groups
• stick: To push a sharp or pointed object into something
• obvious: Easily understood and clear; plain to see
• content: Being happy or satisfied
• eliminate: To completely remove; to get rid of
• technique: Way of doing by using special knowledge or skill
• fascinating: To attract or interest greatly
• native: Someone from or born in a specific country
• combination: Series of letters or numbers needed to open a lock
• overcome: To succeed in a struggle against; defeat
• theory: Ideas or principles that explain facts or events
• gradually: Occurring in a slow manner over a period of time
• issue: To make something available to be used or sold
• suffer: To experience pain, illness, or injury
• plot: Small piece of land for a house growing crops etc.
• cause: Belief, goal or organization that people support
• rough: Causing or involving violence, force, and harm
• release: To free someone from a responsibility or burden
• principle: Moral rule or belief governing a person's behavior
• extra: More than necessary; additional
• result: Something produced through tests or experiments
• scrub: To clean with hard rubbing
• reason: To think and make conclusions in a logical manner
• due: When something is required or expected
• break: To create a new record e.g. running the 100m dash
• durable: Able to stay in good condition for a long time
• layer: One of several sheets of a material or object
• harbor: Area of water protected by land and used by ships
• marine: Soldier trained to serve on land and sea
• reduction: Act of making something smaller
• invasive: Entering the body, etc. in a destructive way
• lot: What happens to a person in life from chance; fate
• leisure: Time when you have no work to do and can relax
• place: To put someone in a particular type of situation
• copper: Reddish-brown metal used in cables or wires
• control: A device designed to operate a machine
• weed: (Childish use) to urinate; go to the bathroom
• maritime: Concerning sailing, ships
• great: Very good; better than before
• grow: To get bigger and more mature; make plants do this
• hard: Difficult to do; difficult to understand
• seaweed: Plant growing in the sea, especially marine algae
• continuously: Without stops, breaks, or an end
• world: All the humans, events, activities on the earth
• life: All the living things e.g. animals, plants, humans
• side: To decide to agree with one point, not the other
• flake: Thin and very small piece of something
• iron: Heavy metal device heated to smooth clothes
• design: To plan in a particular way to fulfill a purpose
• aquatic: Living or growing near or in water
• historical: Connected with the past
• time: Speed at which music is played; tempo
• worm: Small thin tube-shaped animal without legs
• pier: Strong post that helps support something
• hull: Frame or main body of a boat
• jelly: Semisolid food substance, eaten as dessert
• silicon: Mineral used in making steel and computer parts
• outermost: Situated the farthest possible point from a center
• oxide: Compound from combining oxygen with a chemical
• underwater: (Moving or existing) beneath the surface of water
• ballast: Weight that steadies a sea vessel in water
• underside: Lower side of anything