音标：[sæ'kɑ:d] ；

n. 急速勒马, 眼睛飞快扫视

n. a rapid, jerky movement of the eyes between positions of rest

词型变化：名词复数形式 : saccades

saccade的用法和样例：

例句

用作名词(n.)

This possibility, which Libet contemplated, may explain why we maintain the illusion of continuity of time and space when our eyes move from one target to another during a saccade.这个利贝特仔细考虑过的可能性，也许可以解释，为什麽当我们眼睛在扫视时，会从一个地方跳读到另一个地方，但是我们还是维持著时空连续的假象。

【近义词】

jerk急动
jolt震摇
jerking颠簸

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base-exchange softening