make white or pale by extracting colour; bleach 使变白,漂白;使苍白 the cold light blanched her face. 冷色的光使她的脸显得苍白。 ■[with obj.]whiten (a plant) by depriving it of light 使(植物)不见阳光而变白 ■[noobj.](figurative)(of a person) grow pale from shock, fear, or a similar emotion (喻)(吓得)脸色煞白 many people blanch at the suggestion. 听到这个建议,很多人脸都吓白了。 their faces blanched with fear. 他们的脸吓白了。
[with obj.]prepare (vegetables) for freezing or further cooking by immersing briefly in boiling water 焯,把(蔬菜)用沸水烫一下(再冷藏或烹饪) ■[often as adj. blanched]peel (almonds) by scalding them 用沸水烫(杏仁)以便去皮
语源
Middle English : from Old French blanchir, from blanc 'white', ultimately of Germanic origin