laih jī bīng sā
荔枝 is lychee. 冰 is ice and 沙 is sand (same word as used in lava custard 流沙), so 冰沙 is ice sand, and 荔枝冰沙 is lychee ice sand.
Lychee flavored slush.
slush
passionfruit slush
strawberry slush
mango slush