latch

大学 FREQ #14007 ★☆☆☆☆

n. 门闩 vi. 上闩, 抓住, 占有 vt. 闩上 [计] 门闩线路; 锁存器

发音

US /læt͡ʃ/

词形变化

latches 复数 latches latches 三单 latching 现在分词 latched 过去式 latched 过去分词 laught 过去式 laught 过去分词

别名

lech letch

教材释义与例句

名词

门闩

释义与例句

n.
  1. 1.

    A fastening for a door that has a bar that fits into a notch or slot, and is lifted by a lever or string from either side.

    门闩

    门扣

  2. 2.

    An electronic circuit that is like a flip-flop, except that it is level triggered instead of edge triggered.

    锁存器

    商务 工程 物理 电子
  3. 3.

    A latching.

    废旧
  4. 4.

    A crossbow.

    废旧
  5. 5.

    That which fastens or holds; a lace; a snare.

    废旧
  6. 6.

    A breastfeeding baby's connection to the breast.

    含乳

  7. 7.

    A lightweight lock to protect internal structures from being modified by multiple concurrent accesses.

    计算机 工程 数学
v.
  1. 1.

    To close or lock as if with a latch.

  2. 2.

    To catch; lay hold of.

    及物
  3. 3.

    To use a latch (kind of lightweight lock).

    计算机 工程 数学
  4. 4.

    To connect to the breast.

  5. 1.

    To smear; to anoint.

    废旧

词汇关系

名词

同义词 1

doorlatch

上位词 2

catch lock
动词

上位词 3

fix secure fasten

相关短语

on the latch 闩上,锁上 latch onto 与…交往,结交;抓住,弄到;理解,懂得 latch key latch on 抓住, 占有, 理解 latch keys throat latch spring latch chain latch

词源

From Middle English latche, lacche (“a latch; a trap”), from lacchen (“to seize, catch, grasp”), from Old English læċċan (“to grasp, take hold of, catch, seize”). See above for more.

来源：wiktionary