素材

To return something (usually a borrowed item or book) to its owner or original place. High frequency for TOEFL Listening library or campus office scenarios.

A student club or organization at a school or university, focusing on specific hobbies, interests, or professional goals.

To stop attending school or university before completing the course or obtaining a degree.

To fail a course or an exam in university or school. It is the colloquial term for '不及格'.

To reissue or replace an official document, card, or procedure that was lost or expired.

A book used for finding information or as a supplement to a textbook, rather than for continuous reading.

A specific area of land where a university or school's buildings are located, especially when a university has multiple locations.

A piece of writing included with others in a newspaper, magazine, or other publication. Also refers to a student's essay.

A system of ideas intended to explain something, especially one based on general principles independent of the thing to be explained. It is a cornerstone of academic research.

A point, period, or step in a process or development. Crucial for describing processes in IELTS Academic Writing Task 1.