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
She was kicked out of the university.
她被大学开除了。
Stop pretending.
别装了。
Yes, I sure am. I got up late and went without breakfast. Right now I could eat an ox.
是的，我真的饿了。我早晨起床迟了，没吃早饭。现在我可以吃下一头牛。