The equator is an imaginary line around the middle of the earth.

赤道是一条假想的环绕地球腰部的线。

《牛津词典》

The equator is an imaginary line around the Earth.

赤道是围绕着地球的一条假想的线。

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The Earth spins on an imaginary line called an axis that runs from the north pole to the south pole, while also orbiting the sun.

地球绕一个贯穿南极点和北极点的假想轴旋转，这个假想轴称为地轴。 同时也绕太阳公转。

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One line is the equator. It is an imaginary line around the widest part of the Earth.

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At bedtime, Mary Ann would draw an imaginary line down the middle of the bed, and admonish me not to cross it.

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If you take an iPad and hold it upright in portrait view and draw an imaginary horizontal line halfway down the screen, the screens on the seven-inch tablets are a bit smaller than the bottom half of the iPad display.

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