4 sentences

1. 由于摩擦，自行车的闸皮变热了。

   yóu​yú mó​cā, zì​xíng​chē de zhá​pí biàn rè le.

   The bicycle brake pads got hot due to friction.

   Source: Dong Chinese Dictionary

2. 这台设备利用磁悬浮技术来减少摩擦。

   zhè tái shè​bèi lì​yòng cí xuán​fú jì​shù lái jiǎn​shǎo mó​cā.

   This equipment uses maglev technology to reduce friction.

   Source: Dong Chinese Dictionary

3. 由于摩擦会产生大量的热，机器需要良好的散热。

   yóu​yú mó​cā huì chǎn​shēng dà​liàng de rè, jī​qì xū​yào liáng​hǎo de sàn​rè.

   Since friction generates a lot of heat, the machine needs good heat dissipation.

   Source: Dong Chinese Dictionary

4. 贸易摩擦可能会影响两国的经济关系。

   mào​yì mó​cā kě​néng huì yǐng​xiǎng liǎng guó de jīng​jì guān​xi.

   Trade friction could affect the economic relationship between the two countries.

   Source: Dong Chinese Dictionary