数値

The process of changing to suit different conditions or a new environment. It can be biological or psychological.

A point, line, or edge beyond which something cannot or may not proceed. Used in academic contexts to discuss the limitations of theories or resources.

A set of principles or procedures according to which something is done; an organized scheme or system.

The state or process of a species, family, or larger group being or becoming extinct. A high-frequency word in IELTS Academic reading passages about biodiversity.

The process or period of gathering in crops, or the results/gains from an activity. Used in IELTS for agriculture or describing the outcome of research.

To converge, contract, or come together to a single point. It is used in biology (convergent evolution), mathematics, and discussions about opinions merging.

To exist or intervene between two or more things. It often refers to a medium, a third party, or a biological/chemical intermediary.

Refers to the inherent character, nature, or fundamental property of a person or a substance. In a scientific context, it describes the physical or chemical characteristics that define how a material behaves.

A fact or situation that is observed to exist or happen, especially one whose cause or explanation is in question. It refers to an observable event.

The act of trying something out to see if it works or to collect data; a trial or test run.