Vocabulary

• such as: For example; like
• on earth: Used to emphasize a question expressing surprise or anger.
• consist of
• on the ground: Located on the surface of the earth.
• stop working: To cease performing a task or function; to become non-operational.
• edge in: To insert oneself into a group or conversation gradually.
• over time: Gradually; as time passes.
• take over: To gain control of (a company) from someone else
• for instance: As an example.
• thanks to: Because of; as a result of.
• break down: To forcibly break, destroy or make collapse
• one step ahead: Having an advantage or being more prepared than others.
• as well as: Also; in addition to
• as for: Concerning; regarding.
• work: The product of some artistic or literary endeavor
• protein: Group of molecules made from amino acids
• edge: An advantage you have over others
• prevent: To stop something from happening or existing
• natural: Being as one would expect; being usual or normal
• bacteria: The very small creatures that can cause disease
• cell: Smallest unit of living things in biology
• minor: Not so large in size; not important or valuable
• harmful: Likely to cause damage or injury
• stop: To block or close something
• super: Of the highest quality; great; marvelous
• skin: To defeat someone easily and completely
• antibiotic: (Drug) used to fight certain kinds of diseases
• wall: High, flat side of a room or building
• selection: Process of choosing someone or something carefully