adaptatie

The state of being aware of surroundings.

循环。血液在体内循环。谣言在流传。

证据的积累最终导致了案件的破获。

周期的，循环的。

A series of events that are regularly repeated

缺乏的：缺少指定的质量或成分。

The degree of compactness of a substance.

To discover or identify the presence of

To establish exactly, typically as a result of research

直径是穿过圆心的直线。