Yìndù cāntīng de lāxī shì yì zhǒng suānnǎi yǐnliào.
The lassi served in Indian restaurants is a yogurt drink.
Tips
culture
拉西 mainly transliterates the dog Lassie from Eric Knight's 1940 novel 'Lassie Come-Home' and the long-running film/TV adaptations. It can also stand for the Indian yogurt drink 'lassi' (more often written 拉西 or 拉昔), so context decides.