S&p 500
[经] 斯坦福五百种股票指数
🧩 词语组成解析
five hundred
🗣️ 情景例句
I have to go out and hand out fliers.
我要出去派传单。
This is Lesson One.
这是第一课。
The sudden barking frightened Clara.
突然的狗叫声吓坏了克拉拉。