微弱

Doing something repeatedly or over and over again; also refers to a reversal or relapse in a process.

The body of terms used with a particular technical application in a subject of study, theory, profession, or etc.

Very rare or seldom seen; unusual. It often describes natural phenomena, rare diseases, or historical events that happen once in a long time.

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

A biological community of interacting organisms and their physical environment. It encompasses the complex relationships between living things and non-living resources.

Lacking in movement, action, or change; in physics, relating to bodies at rest or forces in equilibrium.

To calculate, estimate, or figure out something using data, logic, or mathematical methods. It implies a process of reasoning from known facts to unknown values.

To release, set free, or emit. It can refer to letting a person go, releasing energy in a chemical reaction, or emitting gases.

To settle as sediment; the process of forming a solid in a liquid solution or the accumulation of historical experience.

The throwing back by a body or surface of light, heat, or sound without absorbing it; or a serious thought or consideration.