Polar star
[天文学]北极星
🧩 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
What can you offer this company?
你能为公司带来些什么？
The napkin is dirty, Would you bring me a clean one, please?
这餐厅是脏的，请你拿个干净的给我。
Every day he does the same thing. Why doesn't he use the lift for the last three floors?
每天他都这样度过。为什么上最后3层楼他不用电梯呢？