Exam: TOEFL

Definition: Feeling extremely happy and excited, often to the point of being overwhelming.

Example: After winning the championship, the team was euphoric and celebrated all night.

Definition: In a way that shows intense happiness or excitement.

Example: She danced euphorically at the celebration, filled with joy.

Definition: Relating to the upper layer of water in a body of water where there is enough light for plants to grow and photosynthesis to occur.

Example: The euphotic zone is crucial for marine life as it supports the growth of phytoplankton.

Definition: The state of having a complete set of chromosomes that is a whole number multiple of the basic set for a species.

Example: In plants, euploidy can lead to increased size and vigor compared to their diploid counterparts.

Definition: A term used to describe normal and effortless breathing.

Example: After the exercise, she returned to a state of eupnea, breathing easily and comfortably.

Definition: Able to breathe normally and pass air in and out of the lungs without difficulty.

Example: The doctor confirmed that the patient was eupneic after the treatment.

Definition: A term that refers to normal and easy breathing, typically occurring at rest.

Example: After a long run, I finally returned to eupnoea and felt relaxed again.

Definition: A term used to refer to the countries that use the euro as their currency.

Example: Many businesses in Euroland benefit from the single currency system.

Definition: A soft, silvery-white element that is part of the rare-earth metals, used in various applications like lasers and neutron absorption.

Example: Europium is often used in the production of red phosphors for television screens.

Definition: A group of European Union countries that have adopted the euro as their common currency.

Example: The eurozone has faced economic challenges in recent years.