mira
mira — 名詞
1. the name of a pair of stars in the sky area called Cetus whose light repeatedly
米拉星
鯨魚座中會明暗變化的雙星系統
the name of a pair of stars in the sky area called Cetus whose light repeatedly becomes brighter and dimmer
During the stargazing class, Meera found Mira near the edge of Cetus.
觀星課上，Meera 在鯨魚座邊緣附近找到了米拉星。
locate Mira in Cetus during a sky lesson
The chart showed that Mira grows brighter for a time, then fades again.
圖表顯示米拉星會先變亮一陣子，之後又再度變暗。
brightness cycle: grows brighter, then fades
At the observatory, Tuan compared tonight's image of Mira with last month's.
在天文台裡，Tuan 把今晚拍到的米拉星影像和上個月的做比較。
Our club tracked Mira each week to watch its brightness change.
我們的社團每週追蹤米拉星，好觀察它的亮度變化。
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.