Is a period of time long enough to cause changes that are beneficial to the body, such as fast walking, swimming, cycling, running? Aerobic dance kanchiang boat skipping, etc.
The period of time which is long enough to cause changes that are beneficial to the body, such as swimming, running, cycling, brisk walking, dancing, aerobics, rowing boats or jumping rope.
One time which is long enough to make changes that are beneficial to the body, such as swimming, running, biking, walking fast. Dance Aerobic boat oar, jump rope, etc.