Friction
01
摩擦, 紧张
absence of agreement or friendliness between people with different opinions
02
摩擦, 摩擦力
the force or effort required to move one object over another while pressure is applied
03
摩擦, 阻力
the resistance or opposing force encountered when one object moves in contact with another
词汇树
frictional
frictionless
friction



























