split-second

split词根/词干

second词根/词干

原始印欧语 *(s)pley-原始印欧语 *sekʷ-

From split (adjective) +‎ second (noun), from split second(s) hands: see sense 1.

名词 Noun

(chiefly attributive) A stopwatch with two second hands, each of which may be stopped separately to time the intervals of a race by a sportsperson, or to time more than one sportsperson.
A fraction

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