3 sentences for 擦 (cā — apply)

1. 她在伤口上擦了点药。

   tā zài shāng​kǒu shàng cā le diǎn yào.

   She applied some medicine to the wound.

   Source: Dong Chinese Dictionary

2. 冬天天气干燥，出门前记得擦点护肤霜。

   dōng​tiān tiān​qì gān​zào, chū​mén qián jì​de cā diǎn hù​fū shuāng.

   The weather is dry in winter; remember to apply some skin cream before going out.

   Source: Dong Chinese Dictionary

3. 这只是一点皮肉之伤，你擦点药水，几天就能好。

   zhè zhǐ​shì yī​diǎn pí​ròu zhī shāng, nǐ cā diǎn yào​shuǐ, jǐ tiān jiù néng hǎo.

   This is just a minor surface wound; apply some antiseptic and it will heal in a few days.

   Source: Dong Chinese Dictionary