Billycock
n. 圆顶礼帽
🗣️ 情景例句
If you're under twenty-one years of age ...
如果你还不到二十一岁……
I ought to think about it.
我应该再三考虑。
I'm usually just using the search engines to look up information.
我通常只是用搜索引擎找一些资料。