Ultraviolet mutation
[机] 紫外线突变
🧩 词语组成解析
🗣️ 情景例句
Will your family be attending the graduation ceremony?
你的家人要来参加你的毕业典礼吗？
He's the youngest in the family.
他是一家中最小的。
Alfred the Great acted his own spy,
阿尔弗雷德大帝曾亲自充当间谍。