This is the 12993rd most frequent Russian word.
ломтики
Slices.
Here, 'ломтики' refers to slices or pieces of cheese that are cut thinly for consumption.
Я купил ломтики сыра на ужин.
I bought slices of cheese for dinner.
In this example, 'ломтики' denotes pieces of bread that are sliced for serving or eating.
На столе лежали ломтики хлеба.
Slices of bread were laying on the table.
The usage of 'ломтики' here pertains to apple slices used as an ingredient in cooking.