ON is to show being supported by sb/sth(由某人或物支撑着):
1. She was standing on one foot.
2. Try lying on your back.
3. Hang your coat on that hook.
ON is to show being supported by sb/sth(由某人或物支撑着):
1. She was standing on one foot.
2. Try lying on your back.
3. Hang your coat on that hook.
