Four-colour problem
[计] 四色问题
🧩 词语组成解析
four
[fɔr]
num. 四;四个;第四;
n. 四的;四个一组之物;
colour
['kʌlɚ]
n. 颜色;肤色;彩色;（用于服装、旗帜等代表团队、学校、政党或国家的）色彩;
vt. （用颜料、彩色笔等）为…着色;粉饰;歪曲;使脸红;
vi. 变色;
🗣️ 情景例句
You bet!
当然！
Me too. I was hoping we could finish copying this report today.
我也希望如此，我本来希望今天我们能复印完这份报告。
Following in his father's footsteps many years later, Sir Malcolm's son, Donald, also set up a world record.
很多年之后，马尔科姆爵士的儿子唐纳德踏着父亲的足迹，也创造了一项世界纪录。