saccade

n. 急速勒马, 眼睛飞快扫视

发音

其它 /səˈkɑːd/

词形变化

saccades 复数 saccades saccaded saccades 三单 saccading saccading 现在分词 saccaded 过去式 saccaded 过去分词

释义与例句

n.
  1. 1.

    A rapid movement of the eye (either voluntary or involuntary) from one focus to another. (Often described as a jerky movement, but this word denotes all such quick eye movements, which happen continually, not just exaggerated or weird ones, and not nystagmus.)

    扫视

    工程 医学
  2. 2.

    The act of checking a horse quickly with a single strong pull of the reins.

  3. 3.

    The sounding of two violin strings together by using a sudden strong pressure of the bow.

    音乐
  4. 4.

    Any sudden jerking movement.

    罕用
v.
  1. 1.

    To make a rapid jerking movement to focus elsewhere.

    不及物

词汇关系

名词

同义词 3

jerk jerking jolt

上位词 4

move movement motion motility

词源

From French saccade.

来源：wiktionary