经线的英文：
longitude
meridian
meridianus

Of or relating to a meridian;meridional.
经线的，子午线的子午线的或与子午线有关的;经线的

The shuttle moves backwards and forwards through the warp.
梭子在经线中来回移动。

The one hundred and first meridian was passed.
现在已经越过了经线一百零一度了。

To arrange(strands of yarn or thread)so that they run lengthwise in weaving.
排列(线等)整理排列(线或丝束)以使它们排列成纺织中的经线

The problem was not solved completely until the invention of the marine chronometer in the eighteenth century
这个问题直到十八世纪发明了航海经线仪才得以解决。

The threads that run lengthwise in a woven fabric,crossed at right angles to the woof.
经纱织物中成经线排列的，与纬纱成直角交织的线。

With pursuit as longitude and woof, we together weave magnificent young paradise.
用追求作经线，用笑声作纬线，我们一起编织瑰丽的青春乐园。

circle of longitude
经度圈;经度圈;黄经圈;黄纬圈

Every place on the same meridian has the same longitude.
同一经线上的地方其经度相同。

Rain Water begins when the Sun reaches the celestial longitude of 330°.
当太阳位于黄经330°时，是二十四节气中的雨水。

He is at the meridian of life.
他正值壮年。

A meridian is an imaginary circle.
子午线是假想出来的一个圆圈。

The empire Is in its meridian period.
帝国正处于全盛时期的。