U 1. 摩擦 rubbing of one surface or thing against another
U 2. 摩擦力 the force which tries to stop one surface sliding over another
U C 3. 冲突,不和 disagreement or conflict between people or parties with different views
词汇搭配
动词+~
cause〔create, produce〕 friction 引起摩擦
minimize〔reduce〕 friction 减小摩擦
形容词+~
constant friction 经常性摩擦
political friction 政治冲突
~+介词
the friction of sth against〔between〕 与…之间的摩擦
the friction over 关于…的争执
句型例句
Friction generates heat.摩擦生热。
Oil can reduce friction.润滑油能减小摩擦力。
When Joan returned to work, the friction between them increased.琼回来工作后,他们之间的摩擦加剧了。
Family frictions can interfere with a child's schoolwork.家庭中的争吵会影响孩子的学业。