- rub
 - [rʌb]
 - vt. 擦;摩擦;惹怒
vi. 擦;摩擦;擦破
n. 摩擦;障碍;磨损处 
参考例子
           - 1.It was cold,so he rubbed his hands together.
 - 天很冷,他使劲搓着双手。
 
- 2.Rub in this cream once a day.
 - 每日一次,把这乳剂用力擦入。
 
- 3.Give the table a good rub.
 - 把这张桌子好好擦一擦。
 
英文解释
           - n.
 - 1.an unforeseen obstacle
 - 2.the act of rubbing or wiping
 
- v.
 - 1.move over something with pressure
 - 2.cause friction
 - 3.scrape or rub as if to relieve itching
 
网络释义
               - RUB
 - 俄罗斯卢布; 摩擦; 拓印; 耐磨性;
 
- rub down
 - 按摩; 用力擦遍; 追捕,追查; 撞倒,撞沉;
 
- WET RUB
 - 湿擦; 湿润磨擦阻抗;
 
- rub marks
 - 磨损痕迹;
 
- rub through
 - 勉强度过; 勉强渡过;