diàn / yuán / gào / sù / wǒ / zhè / zhǒng / xǐ / fà / shuǐ / jīn / tiān / mǎi / yī / zèng / yī

店员告诉我，这种洗发水今天买一赠一。

The shop assistant told me that this shampoo is buy one, get one free today.