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cutting in round slices; round slice
dividing into groups (e.g. by ability)
レモンを輪切りにした。
I cut the lemon into round slices.
きゅうりの輪切りをサラダに加えた。
I added cucumber slices to the salad.
魚の輪切りは下ごしらえが丁寧だと味がしっかりと染み込む。
Fish slices, when carefully prepped, absorb flavor well.