Veraison: Occurs in late summer or early fall, when grapes start to lose their green color and take on mature hues, which can range from greenish yellow to red to almost black, depending on the variety.
转色期：发生在晚夏或早秋，这时，葡萄的颜色开始从绿色转变成成熟的色调，范围依据葡萄品种的不同，而从黄绿色到红色到几近黑色不等。
