Obtusity
n. obtuse（钝的, 不尖的）的变形
🗣️ 情景例句
To help us make this transaction possible,
是的，为了促成这笔交易，
Would he have seen you if you hadn't waved to him?
如果你没向他招手他会看见你吗？
It marked the end of the great tradition of ships with sails and the beginning of a new era.
它标志着帆船伟大传统的结束与一个新纪元的开始。