rub

1.動詞

2.摩擦

3. To move something back and forth on another thing with pressure.

4.Joseph rubbed his eyes, so they became red.

Mary rubs her hands to keep warm.

5.http://www.youtube.com/watch?feature=player_embedded&v=rKMyniirFJo&gl=TW

6.People rub oil on their skin to keep them moisture.