Exam: TOEFL

Definition: Relating to or involved in the act of presenting a play, concert, or other form of entertainment in front of an audience.

Example: The performing arts include theater, music, and dance.

Definition: To carry out or execute a task, action, or activity, often in front of an audience.

Example: She is performing a song at the concert tonight.

Definition: A liquid or substance that has a pleasant smell, often made from flowers or other natural ingredients, used to make people or places smell good.

Example: She wore a lovely perfume that filled the room with a sweet scent.

Definition: To fill or spread a pleasant smell in a place or on something.

Example: She decided to perfume the room with lavender before the guests arrived.

Definition: In a way that shows little interest or effort, often done as a routine or duty without care for quality.

Example: She completed the task perfunctorily, barely paying attention to the details.

Definition: Showing little interest or care; done without enthusiasm or attention to detail.

Example: His perfunctory response made it clear he was not really interested in the topic.

Definition: A liquid that is used to supply nutrients or medications to tissues during a medical procedure.

Example: The surgeon used a special perfusate to keep the organs healthy during the operation.

Definition: The process of supplying blood or fluid to an organ or tissue, often to provide necessary nutrients and oxygen.

Example: The doctor monitored the perfusion of blood to the patient's heart during the surgery.

Definition: A medical professional who operates a machine that takes over the functions of the heart and lungs during surgery, ensuring that blood is oxygenated and circulated properly.

Example: The perfusionist carefully monitored the heart-lung machine during the surgery to ensure the patient received adequate blood flow.

Definition: This word is used to express uncertainty or possibility about something.

Example: Perhaps we can go to the park tomorrow if the weather is nice.

Definition: A possibility or uncertainty about something.

Example: There is a chance of rain tomorrow, but it's just a perhaps.

Definition: Relating to the membrane that surrounds the heart.

Example: The doctor explained that the pericardial fluid helps protect the heart.

Definition: A protective membrane that surrounds the heart and contains fluid to reduce friction during heartbeats.

Example: The doctor explained that the pericardium helps protect the heart from injury.