这个词是什么意思?
Performance of an act one or more times, with a view to its fixation or improvement; any performance of an act or behavior that leads to learning.
中文名称索引;定义为 MeSH 英文原文,尚未逐条译审。MESH:D011214 · MeSH 2026。
Courtesy of the U.S. National Library of Medicine. Annual snapshot; later updates may not be reflected. NLM does not endorse this service.

