v. 使变白( blanch的过去式 ); 使（植物）不见阳光而变白; <冶>酸洗（金属）使有光泽; <烹>用沸水烫（杏仁等）以便去皮
英文释义
v turn pale, as if in fear
v cook (vegetables) briefly
s anemic looking from illness or emotion
s (especially of plants) developed without chlorophyll by being deprived of light