Tā zài yóuguǎn shàng kàn le hěn duō xué Zhōngwén de shìpín.
He watched a lot of Chinese-learning videos on YouTube.
Tips
usage
油管 as slang for YouTube (油 = oil, 管 = tube → oil tube → YouTube) is widely used in mainland Chinese internet culture. The official transliteration is 优兔 (Yōutù) but 油管 is the dominant informal term.
