Alpha orionis
＝ Betelgeuse
🧩 词语组成解析
alpha
['ælfə]
n. 希腊字母的第一个字母;
🗣️ 情景例句
Your luggage is all here?
你的行李就这么多吗？
Just to be on the safe side.
为了安全起见。
Which language is spoken by the largest number of people in the world?
世界上哪种语言说的人最多？