Correlation rader
[电] 关联雷达
🧩 词语组成解析
n. 雷德（姓氏）
🗣️ 情景例句
You're a wonderful granddaughter.
真是个好孙女。
To know the disease is half the cure.
找出病根等于治愈了一半。
What happened before printing was invented?
印刷术发明以前是怎么一回事？