Regulation speed
规定速度
🧩 词语组成解析
speed
[spid]
n. 速度;快速;昌盛;（汽车的）变速器，排挡;
vt.& vi. 急行，加速;
vi. 超速;加速;迅速前行;兴隆;
vt. 加快…的速度;使成功，使繁荣;
🗣️ 情景例句
What did you tell Grandpa?
那你是如何对爷爷说的呢？
He has graciously consented to speak to us on that subject tonight.
他同意今晚他将就这一专题演讲。
We would lay less stress on 'facts and figures'and more on a good memory,
人们不会再重视"资料和数据"，而靠好记性、