Exam: TOEFL

Definition: In a way that requires a lot of effort and hard work.

Example: She worked arduously to complete the project on time.

Definition: The quality or condition of being very difficult and requiring a lot of effort.

Example: The arduousness of the hike made it challenging for many participants.

Definition: A specific part or section of a space or surface that is set aside for a particular purpose or activity.

Example: The children played in the designated area of the park.

Definition: A place or building where sports events, performances, or contests take place, often with seats for spectators.

Example: The concert will be held in a large arena that can hold thousands of fans.

Definition: A type of virus that is made of RNA and is often spread by rodents, causing serious illnesses in humans.

Example: The arenavirus is known to cause diseases like Lassa fever, which can be very dangerous.

Definition: A small colored ring or area surrounding a central part, such as the area around a nipple or the part of the eye around the pupil.

Example: The doctor explained the importance of the areola in breast anatomy.

Definition: Relating to a small circular area, often used in anatomy to describe the area surrounding a nipple or a small structure.

Example: The doctor explained the importance of the areolar tissue in the body.

Definition: The study of the planet Mars.

Example: Areology helps scientists understand the geology and atmosphere of Mars.

Definition: A type of enzyme that helps break down arginine, a substance found in the body, into urea and ornithine, mainly in the liver.

Example: Arginase plays a crucial role in the urea cycle by converting arginine into urea and ornithine.

Definition: A type of amino acid that is important for various bodily functions, including the production of proteins and the regulation of blood flow.

Example: Arginine is often taken as a supplement to improve athletic performance.