time period

名词 n.
/ˈtaɪm pɪɚ.i.əd/

英文释义

名词 n.
  1. The length of time during which an activity occurs or a condition remains, which may be measured either in seconds or in millions of years, depending upon the nature of the activity or condition being considered.

词形变化

time periods plural

词源

From time + period.
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