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
Which advertisement company did you serve?
你在哪家广告公司做事？
It's really a bargain.
租金很便宜。
the man sadly picked up the mattress and carried it into his house.
伤心地捡起了床垫，把它拿进了屋。