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Parallel lines are lines that never join.

平行线是永的线。

Oxford Road joins the High Street at an angle of ninety degrees.

牛津路与该大街垂直。

Line A crosses line B at right angles.

A线与B线成直角。

The lines AB and CD intersect at E.

直线AB与直线CD于E点。

The line AB intersects the line CD at O.

直线AB与直线CD于O点上。

Parallel lines are, by definition, lines on the same plane that never join.

按定义说, 平行线是在同一平面上永的线。

The two edges met flush.

两个边缘齐平。

The course which will cut each meridian at the same angle is termed a rhumb line.

与每一子午线成同一角度的恒线。

In the amity I speak of,they intermix and confound themselves one in the other,with so universal a commixture,that they weave out and can no more find the seam that has conjoined them together.

在我所说的友谊中，心灵互融，分彼此，甚至连的连接点都找到。