您要查找的是不是：
- factitious melanin 人造黑素
- Extensive advertising can cause a factitious demand for an article. 大规模的广告能引起对某一物品人为的需求。
- Freckles are simply concentrations of melanin. 雀斑不过是高浓度的黑色素。
- Factitious what can remove gooseflesh? 人为什么会起鸡皮疙瘩？
- As melanin encounters UV light, it turns brown. 黑色素遭遇到紫外光后变成褐色。
- Do you know factitious what can have trouble? 你知道人为什么会有烦恼吗？
- An epidermal cell capable of synthesizing melanin. 黑素细胞能合成黑色素的表皮细胞
- Factitious what often has trouble? 人为什么老有烦恼啊？
- Mole of factitious what chairman? 人为什么会长痣？
- Factitious what can feel tiredly occasionally? 人为什么有时候会感觉得累？
- An epidermal cell capableof synthesizing melanin. 黑素细胞能合成黑色素的表皮细胞。
- Factitious what cannot do not have trouble forever? 人为什么不能永远没烦恼？
- Of or related to melanin;black - pigmented. 黑色素的黑色素的，有关黑色素的;含有黑色色素的
- Can factitious assorted have so much trouble? 人为什会有那么多的烦恼?
- Factitious what wants living, tired? 人为什么要活着，累?
- Of or related to melanin; black-pigmented. 黑色素的黑色素的，有关黑色素的；含有黑色色素的
- Factitious what can have so much trouble? 人为什么会有那么多的烦恼?
- The more melanin on thesurface the deeper the tan. 生成的黑色素越多，晒得越深。
- Factitious what should have psychological pressure? 人为什么要有心理压力？
- Malign melanin tumour! Emergency treatment! 恶性黑色素瘤！急救！
