apogee
noun [ S ] formal uk/ˈæp.ə.dʒiː/ us/ˈæp.ə.dʒiː/
（成功、流行、权力等的）顶峰，顶点，最高点
the most successful, popular, or powerful point
At their apogee, the novels of Spillane claimed worldwide sales of over $180 million. 在斯皮拉内的小说最为风靡之时，其全球销售量超过1.8亿册。