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Sentence
Span Details
凹レンズ
concave lensnoun
は
topic markergrammar
光
light; illumination; ray; beam; glow; hope; happiness; bright prospect; influence; power; prestige; vision; eyesight; optical fiber; fiber-optic internetnoun
を
object markergrammar
広げる。
spread; extend; expand; widen; unfold; open; unroll; unwrap; scatter about; spread around; make flourish; cause to prosperichidan verb