今日挑戰句子
影片不是英文?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。
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學習重點
1. pigment色素;顏料
pigment
[ˋpɪgmənt](n.)色素;顏料

口口口3 個月前
Melanin is the skin's natural protection from UV radiation, but children's skin has less of this protective pigment.
林檎先生3 個月前
Yuna3 個月前
Melanin is the skin natural protection from UV radiation, but the children’s skin has less of this protective pigment
Claire3 個月前
Melanin is the skin’s natural protection from UV radiation, but children’s skin has less of this protective pigment.
Melody3 個月前
Kate 靳3 個月前
Luna3 個月前
Mandalin is kids natural protection from UV radiation
Yuli3 個月前
Jessie3 個月前
林建志3 個月前