White wines tend to gain depth of colour with age.

白葡萄酒年头愈久，颜色愈深。 。

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Study on Effect of Several Sweeteners, Flavor and Deit Colour on Piglet Weight Gain;

研究早期断奶仔猪对添加色氨酸、香味剂和甜味剂饲粮的选择性采食效果。

youdao

Study on Effect of Several Sweeteners, Flavor and Deit Colour on Piglet Weight Gain;

研究早期断奶仔猪对添加色氨酸、香味剂和甜味剂饲粮的选择性采食效果。

youdao