4 sentences

1. 我用积分兑换了一个可爱的毛绒玩具。

   wǒ yòng jī​fēn duì​huàn le yī gè kě'ài de máo​róng wán​jù.

   I redeemed my points for a cute plush toy.

   Source: Dong Chinese Dictionary

2. 只要经常在这里买东西，就能用积分兑换奖品。

   zhǐ​yào jīng​cháng zài zhè​lǐ mǎi dōng​xi, jiù néng yòng jī​fēn duì​huàn jiǎng​pǐn.

   As long as you shop here frequently, you can redeem points for prizes.

   Source: Dong Chinese Dictionary

3. 比赛双方所获的积分完全相等，裁判决定通过加时赛来定胜负。

   bǐ​sài shuāng​fāng suǒ huò de jī​fēn wán​quán xiāng​děng, cái​pàn jué​dìng tōng​guò jiā shí sài lái dìng shèng​fù.

   The points earned by both sides were exactly equal, so the referee decided to determine the outcome through overtime.

   Source: Dong Chinese Dictionary

4. 你能算出这个复杂函数的定积分吗？

   nǐ néng suàn​chū zhè​gè fù​zá hán​shù de dìng jī​fēn ma?

   Can you calculate the definite integral of this complex function?

   Source: Dong Chinese Dictionary