duckling（n.）
“A young duck” in early 15th century was derived from duck (n.1) + -ling . The ugly duckling was introduced in the Hans Christian Andersen's tale (originally published in Danish in 1843 and translated to English by 1846).
（“幼鸭”，最早出现于15世纪初，由 duck (n.1) + -ling 组成。ugly duckling 源自于《安徒生童话》中的故事（最初于1843年以丹麦语出版，到1846年时被译成英语）。）该词起源时间：15世纪初