Doolittle equation
[化] 杜利特尔方程
🧩 词语组成解析
杜利特尔（姓氏）
🗣️ 情景例句
He studied harder to improve his English.
他更加努力提高英语水平。
Today is November first,nineteen sixty-three.
今天是一九六三年十一月一号。
If there had not been a hard layer of rock beneath the soil, they would have completed the job in a few hours.
如果不是因为土壤下面有一层坚硬的岩石，他们的营救工作仅用几个小时就可以完成了。