Alidade

中文含义：仰角仪，测角仪

英语词性：noun

美式发音：[al-uh-deyd]

同义词：angle-measuring instrument

易混淆单词：altitude, attitude

双语例句：

1. The surveyor uses an alidade to measure the angle between the two points.

   测量人员使用仰角仪来测量两个点之间的角度。

2. The alidade is an ancient instrument used for land surveying.

   测角仪是一种古老的用于土地测量的仪器。