今日挑戰句子
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Melanin is the skin's natural protection from UV radiation, but children's skin has less of this protective pigment.
黑色素是皮膚對紫外線輻射的天然保護，但兒童皮膚中，這種保護性色素較少。
學習重點
1. pigment色素;顏料
pigment
[ˋpɪgmənt](n.)色素;顏料
每日口說挑戰紫外線好毒！防曬要從小要做起！ (UV Protection for Kids: What you need to know)
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口口口8 個月前
Melanin is the skin's natural protection from UV radiation, but children's skin has less of this protective pigment.
毛毛8 個月前
Kate Shao8 個月前
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Melanin is the skin's natural protection from UV radiation, but children's skin has less of this protective pigment.
Nicole Tseng8 個月前
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shirley1238 個月前