heliometer
英 [,hiːlɪ'ɒmɪtə]
美 [,hili'ɑmɪtɚ]
词性
名词
基本解释
n.太阳仪
网络释义
光学仪器，用于测量太阳直径、恒星位置等。
例证
1. The astronomers used a heliometer to accurately measure the diameter of the sun.
2. The heliometer is an important tool for studying the positions and movements of stars.
2. The heliometer is an important tool for studying the positions and movements of stars.