spacer

n. 空格杆, 逆电流器, 定位格架 [化] 间隔区; 垫片; 定距片; 间距短管

发音

US /ˈspeɪsɚ/
AU

词形变化

spacers 复数 spacers

释义与例句

n.
  1. 1.

    An object inserted to hold a space open in a row of items, e.g. beads or printed type.

  2. 2.

    A person who works or lives in space.

    媒体
  3. 3.

    A bushing.

  4. 4.

    A forgetful person; one who spaces out.

    俚语
  5. 5.

    A type of add-on device used by an asthmatic person to increase the effectiveness of a metered-dose inhaler.

    医学
  6. 6.

    An instrument for reversing a telegraphic current, especially in a marine cable, to increase the speed of transmission.

    历史

相关短语

spacer DNA spacer oligonucleotide typing intergenic spacer

词源

From space + -er.

来源：wiktionary