Royal jelly is the milky-white gelatinous substance secreted from the cephalic glands of nurse worker bees for the sole purpose of stimulating the growth and development of the queen bee.

• 蜂皇浆呈乳白色，是凝胶状固体，它是从幼工蜂的头腺里分泌出来的，能帮助成长发育。