Variable star
变星
🧩 词语组成解析
star
[stɑr]
n. 星;星状物;星级;明星;
v. 主演;（在文字等旁）标星号;
🗣️ 情景例句
he could be so valuable.
他或许能够有所用。
You were late again this morning. I think you had better start being on time.
你早晨又迟到了，我想你最好开始守时。[托福]
I'm glad to hear that.
真是好消息，