1. 不断沸腾：bohunk 无技术工人 | boil away 不断沸腾 | boil down to 归结为

2. 继续沸腾 煮干：go off the boil 停止沸腾 (刺激、兴奋等)过了顶峰 | boil away 继续沸腾 煮干 | boil clear 制造肥皂时煮去多余的水分

3. 不断沸腾, 汽化：boiar || 蟒的一种 | boil away || 不断沸腾, 汽化 | boil clear || 制造肥皂时煮去多余的水分

4. 完全蒸发;煮干：boil 煮沸;沸腾;激化;蒸发 | boil away 完全蒸发;煮干 | boil down 蒸煮;煮浓;熬浓

1. （使）煮干
    When you boil away a liquid, or when it boils away, it is boiled until all of it changes into steam or vapour.

boil away的意思

    e.g. Remove the lid and boil away all the liquid...
           拿掉盖子并把所有液体都烧干。
    e.g. Check every 20 minutes that the water has not boiled away.
           每过20分钟检查一下以防水烧干。