Four quadrant operation
[计] 四象限操作
🧩 词语组成解析
four
[fɔr]
num. 四;四个;第四;
n. 四的;四个一组之物;
quadrant
['kwɔdrənt]
n. 四分之一圆;扇形体;象限仪;四分仪;
🗣️ 情景例句
I have the key, but it doesn't work.
我有钥匙， 但是开不开箱子。
Don't throw out your dirty water before you get in fresh.
清水未打来，赃水莫倒掉。
and if he found it necessary to shoot a sheriff or rob a bank along the way,
如果他认为在进行过程中有必要枪击一个司法官或抢劫一个银行，