wax and wane meaning in English
（月的）盈亏圆缺；盛衰
兴衰成败
月的盈亏, 圆缺, 盛衰
月的圆缺
Examples
- The moon waxes and wanes every month
月亮每个月都有盈亏。 - It waxes and wanes . nothing is perfect , not even in the olden days
人有悲欢离合，月由阴晴圆缺，此事古难全。 - The powers that changed status ( waxing and waning ) are the ones that cause us problems
那些曾经有盛有衰的国家为我们制造了很多麻烦。 - Wax and wane
月的盈亏圆缺 - The deep observations have also traced the waxing and waning of star formation in the universe at large over cosmic time
回溯宇宙年代的深度观测，同时也追踪了整个宇宙恒星形成率的变化。