She gave me instructions on how to apply the tint.她告诉我如何使用染发剂。 3 heyday n.全盛时期,青春期 参考例句: The 19th century was the heyday of steam railways.19世纪是蒸汽机车鼎盛的时代。 She was a great singer in her heyday.她在自己的黄金时代是个了不起的歌唱家。 4 prudent ad...