equator

名词 equator:

1. an imaginary line around the Earth forming the great circle that is equidistant from the north and south poles
2. a circle dividing a sphere or other surface into two usually equal and symmetrical parts

1. Relating to or being latitudes nearest to the equator.
   (纬度)低的纬度接近赤道的，或与之有关的
2. The angular distance north or south of the earth's equator, measured in degrees along a meridian, as on a map or globe.
   纬度地球赤道北或南的角距离，例如在地图或地球仪上沿着子午线用度数测量
3. Singapore is near the equator.
   新加坡位于赤道附近。

e.qua.tor

n.（名词）

The imaginary great circle around the earth`s surface, equidistant from the poles and perpendicular to the earth`s axis of rotation. It divides the earth into the Northern Hemisphere and the Southern Hemisphere.
赤道：地球赤道想象中环绕地球表面的大圆，距南北两极距离相等，与地轴垂直， 它将地球分为北半球和南半球
A similar great circle drawn on the surface of a celestial body at right angles to the axis of rotation.
天球赤道：在天体表面与自转轴成直角的大圆
The celestial equator.
天球赤道
A circle that divides a sphere or other surface into congruent parts.
中纬线：将球体或其他球面分成相导两部分的圆

来源：
Middle English
中古英语
from Medieval Latin aequ3tor (diôo et noctis) [equalizer (of day and night)]
源自 中世纪拉丁语 aequ3tor (diôo et noctis) [使（日和夜）相等]
from aequ3re [to equalize] * see equate
源自 aequ3re [使相等] *参见 equate