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
but there's so much energy and talent in the man,
但是他有那么多的精力和才能，
Please call before you come,otherwise we might not be home.
请在你来前打一下电话来,否则我们可能不在家。
We visited the Great Wall. We went there by bus. We all took some food and drink with us.
我们参观了长城。我们是坐车去的。我们每人都自备一些食物和饮料。