孩子平安的消息使她放心了.The news that her child was safe eased her mind.想到这, 来了一点平安的睡意.This decision reached , he finally felt a placid drowsiness steal over him.我听到他平安的消息时才松了一口气.I breathed / heaved a sigh of relief when I heard he...
The production of melanin in the skin is stimulated by exposure to the sun.皮肤暴露在阳光下就很容易生成黑色素。Freckles are simply concentrations of melanin.雀斑不过是高浓度的黑色素.Promote the blood circulation, and accelerate the melanin's dec...