Semicentennial
a. 五十年一度的, 持续半个世纪的\\nn. 五十周年, 五十周年纪念
✅ 同义词
🗣️ 情景例句
Is this pink too bright for me?
我穿粉红色会不会太过鲜艳了？
You are shorter than I am.
你比我矮。
It was a great help to me.
真是获益良多