IELTS学术词汇 (分数5) - Speed

at a speed that is not fast

having a high speed when doing something, especially moving

in a manner that is fast and takes little time

moving or functioning very fast

occurring or moving with great speed

moving or happening quickly

moving or progressing very slowly

carried out in a relaxed and unhurried manner

occurring slowly and step-by-step over a long period of time

to decrease the speed of something

to slow down or stop a moving car, etc. by using the brakes

to move with a lower speed or rate of movement