Obdurability
n. 坚固
🗣️ 情景例句
She is at the top of her class.
她在班里名列前茅。
What are you so excited about?
什么事让你如此兴奋？
Macaroni has been grown in this area for over six hundred years.
通心粉在这个地区已经种植了600多年了。