Obtusity
n. obtuse（钝的, 不尖的）的变形
🗣️ 情景例句
Thanks, I hope we meet again soon.
谢谢，希望我们能很快再见面。
What are you playing?
你正在玩什么？
Even if a piped water supply is safe at its source,
既使管道供水系统在水源处是安全的，