mira
mira — noun
1. the name of a pair of stars in the sky area called Cetus whose light repeatedly
1.名詞C2
釋義
the name of a pair of stars in the sky area called Cetus whose light repeatedly becomes brighter and dimmer
例句
During the stargazing class, Meera found Mira near the edge of Cetus.
locate Mira in Cetus during a sky lesson
The chart showed that Mira grows brighter for a time, then fades again.
brightness cycle: grows brighter, then fades
At the observatory, Tuan compared tonight's image of Mira with last month's.
Our club tracked Mira each week to watch its brightness change.
文法句型
observe Mira
track Mira over time
Mira grows brighter
用法筆記
Used mainly in astronomy when people describe the system's changing brightness or point out where it appears in Cetus.
常見錯誤
❌Mira is one single star.
✅Mira is a two-star system.
💡The name refers to a pair of stars, not just one star.