Planet x
未知行星；冥外行星
🧩 词语组成解析
🗣️ 情景例句
You'd better heat the dishes for a whild. Cold food isn't good for your stomach.
你最好是把菜温一温再吃，凉的食物对胃不好。
Why did't you tell me?
为什么你不告诉我？
No. Why?
不知道。怎么回事？