quadrant
US /ˈkwɑː.drənt/
UK /ˈkwɑː.drənt/

名词
1.
象限
each of four parts of a circle, plane, or sphere divided by two lines or planes at right angles
示例:
•
The graph is divided into four quadrants.
图表被分成四个象限。
•
The point (3, -2) lies in the fourth quadrant.
点 (3, -2) 位于第四象限。
2.
象限仪, 测角仪
an instrument for measuring angles, typically in astronomy and navigation, consisting of a graduated arc of 90 degrees with a sighting mechanism
示例:
•
Ancient mariners used a quadrant to determine their latitude.
古代水手使用象限仪来确定他们的纬度。
•
The astronomer adjusted the quadrant to measure the star's altitude.
天文学家调整了象限仪以测量恒星的高度。
在 Lingoland 学习这个单词