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
Do you have any better suggestions?
你有更好的提议吗？
Grain by grain,and the hen fills her belly.
一颗接一颗，母鸡填饱肚。
The doctors have not yet decided how the woman died.
医生们至今还未确定这位妇女的死因。