waned例句

Portugal and Spain had possessed vast empires that waxed and waned.
葡萄牙和西班牙都曾是经历了兴衰的大帝国。

The bicycle craze has waned.
自行车热已冷下去了.

In less than four hours my enthusiasm had waned and I rather reproached myself for coming.
不到两个时辰,我早已意兴索然,颇悔此行了.