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
What a pity! We have another party that day.
太可惜了，我们那天也有个聚会。
I won't embarrass myself by calling Mr. Lee by another's name.
我不想因为张冠李戴使自己难堪。
I'm here! said Jim. And so is Polly!
“我在这儿！”吉姆说，“波利也在这儿！”