Four operations
四则运算
🧩 词语组成解析
four
[fɔr]
num. 四;四个;第四;
n. 四的;四个一组之物;
n. 运作；运营；业务操作（operation的复数）
🗣️ 情景例句
Hello.
你好。
What's Hong Kong famous for?
香港以什么闻名？
Where are you going to spend your holidays this year,Gary?
加里，今年你们打算去哪里度假？