听到突然的巨响,他的脸色一下子变得苍白。
He ___blanched at the sudden loud noise.
在制作沙拉前,先将菠菜焯一下水以保持鲜绿色。
Before making the salad, quickly ___blanch the spinach to preserve its vibrant green color.
看到蜘蛛时,她吓得脸色发白。
She ___blanched at the sight of a spider.