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- [intransitive] blanch (at something) (formal)
to become pale because you are shocked or frightened （受惊吓）脸发白 He blanched visibly when he heard the news. 他听到这个消息时明显发白。
- [transitive] blanch something
to prepare food, especially vegetables, by putting it into boiling water for a short time 焯（把蔬菜等放在沸水中略微一煮） Blanch the peas quickly before you freeze them. 冷冻豌豆之前，先将它们变白。
Word OriginMiddle English: from Old French blanchir, from blanc ‘white’, ultimately of Germanic origin.