The retardation of the train caused a delay.
The act of slowing down or delaying something.
There was a retardation in the project's development.
A decrease in speed or progress.
The child showed signs of mental retardation.
A condition of being slower in development or progress, often used in medical contexts.
ด้วยพจนานุกรมภาพและแฟลชการ์ดที่ทรงพลังฟรี