placeholder

n. 占位符 [计] 占位符

发音

US /ˈpleɪsˌhoʊldɚ/

词形变化

placeholders 复数 placeholders

别名

place holder

释义与例句

n.
  1. 1.

    Something used or included temporarily or as a substitute for something that is not known or must remain generic; that which holds, denotes or reserves a place for something to come later.

    This data is a placeholder, so you'll want to include the real numbers as soon as you have them.

  2. 2.

    A non-editable caption initially displayed in a blank text box to indicate its function.

    计算机 工程 数学

词汇关系

名词

同义词 2

proxy procurator

上位词 2

agent variable

词源

From place + holder.

来源：wiktionary