I got done for speeding on my way back.

　　我在返回的路上因超速行駛而受罰。

　　The new speed limit on this road becomes effective from 1 June.

　　這條路上新的限速規定自6月1日起生效。

　　The engine is very noisy at high speed.

　　這個(gè)發(fā)動(dòng)機轉速高時(shí)噪音非常大。

　　The drill has variable speed control.

　　這鉆機有變速控制。

　　He was driving without regard to speed limits.

　　他開(kāi)著(zhù)車(chē)，根本不理會(huì )速度限制。