rub on

基本解释

He used to rub on a little Vaseline that he kept under the brim of his cap.
派瑞。从前他会在球上抹上一点凡士林，凡士林则是涂在帽缘下。
Though she's a self-declared cat person, the 90210 star takes a time-out to give a lucky pup a tummy rub on Wednesday in Los Angeles.
虽然她自称是爱猫人士，本周三在洛杉矶，这位《新飞跃比弗利》在休息期间给这只幸运的小狗挠挠小肚皮。
Shoes contain a cocktail of different dyes, glues, resins, rubber cements, and other substances that rub on the sweatiest part of your body all day long.
鞋子由各种不同的染料、胶水、树脂、橡胶粘合剂，和身体直接接触的吸汗部分组成。

Once they find the name, many rub a pencil on paper over the letters to copy it.
Now those oligarchies were based on different things, and that's where the rub came.
但这些寡头是建立在不同基础之上的,正是这一点导致了双方的摩擦
耶鲁公开课 - 美国内战与重建课程节选
Political analyst Richard Wolffe told VOA that world leaders want some of Mr.Obama's popularity to rub off on them.

The need for the parts of an engine to fit together tightly enough to stop hot gases seeping where they should not, and yet not so tightly that they rub on each other in a way that wears them out, is a constant bane of engine designers.
ECONOMIST: An engine made of water