n.

1. 適應，適合[U][S1]
   He made a quick adaptation to the new environment.

   他很快適應了新的環境。

2. 改編，改寫；改寫本[U][C]
   This play is an adaptation of a novel.

   這一劇本是由小說改編的。

3. 【生理】適應性的變化，適應作用[C]

n.

1. the action or process of adapting or being adapted.
2. a film or play adapted from a written work.
3. Biology  a change or the process of change by which an organism or species becomes better suited to its environment.