🧩 词语组成解析
薯蓣属
🗣️ 情景例句
I have a tourist visa.
旅游签证。
It's a small world.
世界真小！
He's only forty-one years old, and he has already been to nearly every country in the world.
他只有41岁，但他却过世界上几乎每一个国家。