Refractometer: A handheld instrument that gauges grapes' ripeness by measuring the ratio of sugar and other solids in the grape juice. Used extensively during harvest by grapegrowers.
折射计： 手持式仪器，通过测量葡萄汁里的糖份比例和其他固体来测量葡萄的成熟度。种植者在葡萄采收期间会大量使用。
Refractometer: A handheld instrument that gauges grapes' ripeness by measuring the ratio of sugar and other solids in the grape juice. Used extensively during harvest by grapegrowers.
折射计： 手持式仪器，通过测量葡萄汁里的糖份比例和其他固体来测量葡萄的成熟度。种植者在葡萄采收期间会大量使用。
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