expander

n. 扩展器, 扩管器 [计] 扩展器; 扩大器

发音

其它

词形变化

expanders 复数 expanders

别名

expandor

释义与例句

n.
  1. 1.

    One who or that which expands.

  2. 2.

    A device used to widen the upper jaw so that the bottom and upper teeth will fit together better; a palatal expander.

    医学
  3. 3.

    A control that expands to show more options or commands, keeping them hidden until needed.

    计算机 工程 数学
  4. 4.

    A kind of sparse graph with strong connectivity properties.

    数学

词汇关系

名词

整体词 1

compander

相关短语

palate expander palatal expander chest expander

词源

From expand + -er.

来源：wiktionary