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
Next week I'm taking my driving test.
我下星期考车牌。
After dinner comes the reckoning.
吃喝玩乐，该付代价。
What he likes best is making jokes.
他最喜欢开玩笑。