Quindecennial
十五年期间\\na. 每十五年发生一次的, 持续十五年的
🗣️ 情景例句
Ask-Bob-to sit-behind-me.
让鲍伯坐在我后面。
This award means a great deal to me.
这个奖对我意味深长。
With great difficulty, he climbed into the shop window to get the dress.
费了好大劲儿，他爬进橱窗去取那件衣服。