Knuckleball
n. [棒](投手投出的)不旋转球
🗣️ 情景例句
that you are very impressive.
你给人们留下了深刻的印象。
Thank you for your dinner.
谢谢你的晚餐。
The real dividing line between continents and oceans occurs at the foot of a steeper slope.
大陆和海洋的真正分界线是在陡坡脚大陆架慢坡