Chronoscope

[krɒnәskәup]

解释:

(noun.) an instrument for accurate measurements of small intervals of time.

编辑:莎蒂--From WordNet

解释:

(n.) An instrument for measuring minute intervals of time; used in determining the velocity of projectiles, the duration of short-lived luminous phenomena, etc.

录入:梅林达

解释:

n. an instrument for measuring very short intervals of time esp. with projectiles.

校对:史蒂文