Ufologist
n. 不明飞行物研究者
🗣️ 情景例句
A credit card is very useful when you go traveling.
当然旅游的时候，信用卡很有用。
Please show me a cheaper one.
请给我看一件比较便宜的衣服。
Hi, Jim! Can you come and play football?
你好，吉姆！你能来踢足球吗？