他在实习怎么帮宝宝换尿布。

Tā zài shíxí zěnme bāng bǎobao huàn niàobù.

He’s practicing how to change a baby’s diaper.

我在一家公司进行了为期三个月的实习，学到了很多实践经验。

Wǒ zài yī jiā gōngsī jìnxíngle wèi qī sān gè yuè de shíxí，xué dàole hěn duō shíjiàn jīngyàn.

I did a three-month internship at a company and gained a lot of practical experience.

在实习期间，我遇到了很多有趣的人。

Zài shí xí qī jiān, wǒ yù dào le hěn duō yǒu qù de rén.

I have met many interesting people during my internship.