释义
n. 摩擦,摩擦力
例句
1. Friction against the rock, combined with the weight of the climber, caused his rope to break. 与岩石之间的摩擦加上攀登者的重量，使得绳子断了。 2. My daughter and son always have frictions. 我女儿和儿子总发生矛盾。