4 sentences

1. 你有一根橡皮筋吗？

   nǐ yǒu yī gēn xiàng​pí​jīn ma?

   Do you have a rubber band?

   Source: AI Challenger 2017

2. 我需要一条橡皮筋。

   wǒ xū​yào yī tiáo xiàng​pí​jīn.

   I need a rubber band.

   Source: AI Challenger 2017

3. 这条橡皮筋很紧。

   zhè tiáo xiàng​pí​jīn hěn jǐn.

   This rubber band is very tight.

   Source: AI Challenger 2017

4. 例子包括一个拉长的橡皮筋，坐在滑梯顶部的人，和一个充电的电池。

   lì​zi bāo​kuò yī​ge lā cháng de xiàng​pí​jīn, zuò​zài huá​tī dǐng​bù de rén, hé yī​ge chōng diàn de diàn​chí.

   Examples include a stretched rubber band, someone sitting at the top of a slide, and a charged battery.

   Source: CCMatrix