2 sentences

1. 我租了一辆三轮车。

   wǒ zū le yī liàng sān​lún​chē.

   I rented a tricycle.

   Source: CCMatrix

2. 让孩子在跑道上骑三轮车或自行车，你步行或慢跑跟着。

   ràng hái​zi zài pǎo​dào shang qí sān​lún​chē huò zì​xíng​chē, nǐ bù​xíng huò màn​pǎo gēn​zhe.

   Let the kids ride their trikes or bikes around the track, while you walk or jog.

   Source: CCMatrix