Correct
一日千里
/ yī rì qiān lǐ /
Strokes
Definition
lit. one day, a thousand miles (idiom); rapid progress
Example
Definition
a thousand li a day—at a tremendous pace; with giant strides; by leaps and bounds
1
Kēxué
科学
jìshù
技术
de
的
fāzhǎn
发展
yīrìqiānlǐ
一日千里
。
Science and technology is developing at a tremendous pace.