to rub
01
摩擦, 按摩
to apply pressure to a surface with back and forth or circular motions
Transitive: to rub sth
02
擦, 摩擦
to cause something to move back and forth against another object or surface and create friction
Transitive: to rub sth against sth
Rub
01
摩擦, 擦拭
the act of rubbing or wiping
02
主要问题, 关键问题
the main problem or issue in a particular situation
词汇树
rubber
rubbing
rubor
rub
