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
That's Mr. Steven Lu, from Taipei?
您是Steven Lu，从台北来的？
A thief knows a thief as a wolf knows a wolf.
贼了解贼，正如狼了解狼。
Then sweep the floor.
然后扫扫地。