减弱

To move or swing back and forth at a regular speed; regular fluctuation of a value or quantity above and below a mean value.

Any living thing, or the study of living organisms. Basic term for IELTS biology-related reading passages.

The path or track followed by a moving object, or figuratively, the course of development of an event or person's life.

To combine different parts or elements into a whole; or the resulting set of combined items.

To determine the dimensions, quantity, or degree of something using instruments or standardized units.

Involving a lot of different but related parts; difficult to understand. Used to describe issues, systems, or tasks in IELTS.

A fact or situation that is observed to exist or happen, especially one whose cause or explanation is in question. In academic tasks, it often refers to social or natural occurrences.

To say or estimate that a specified thing will happen in the future or will be a consequence of something. Common in data interpretation.

Happening or changing slowly over a period of time. It describes a steady, incremental process.

A feeling, type of behavior, or physical process that happens as a result of something else. In science, it refers to chemical or physiological changes.