Beat egg whites with salt and lemon juice over low speed until frothy and foamy.
Beat egg whites with salt and lemon juice over low speed until frothy and foamy.
食盐和柠檬汁加入蛋白，低速打成粗泡。
Beat egg whites with salt and lemon juice over low speed until frothy and foamy.
食盐和柠檬汁加入蛋白，低速打成粗泡。