sidereal day

名词 n.
中文释义

英文释义

名词 n.
  1. One day of sidereal time; the time in which Earth rotates once around its axis, relative to the point of the vernal equinox (about 23 hours, 56 minutes, 4 seconds).
  2. The rotational period of Earth; the time in which Earth rotates around its axis 360 degrees.

词形变化

sidereal days plural
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