我很喜欢户外活动，比如，滑雪，冲浪，跑马拉松。

Wǒ hěn xǐhuān hùwài huódòng, bǐrú, huáxuě, chōnglàng, pǎo mǎlāsōng.

I really like outdoor activities, for example: skiing, surfing, and marathon running.