sighting

['saitiŋ]

n. 看见
动词sight的现在分词形式

例句与用法：

An indicator or a sighting apparatus on a plane table, used in angular measurement.

旋标装置飞机控制板上的指示器或观测仪，用来测量角度

A small metal knob on the muzzle of a firearm, such as a rifle, used for sighting.

准星枪炮口上，瞄准用的小圆金属突起，如来福枪上的准星

He drove straight by sighting along the center line.

他注视着中央线，驾车径直向前驶去。

They reported sighting the plane.

他们宣称看见了那架飞机。