acerbity
n. 酸，涩；刻薄
复数 acerbities
例句
Axle hair acerbity life, should strive to hone.
轮轴发涩的人生，就应该用奋斗来磨砺。
His acerbity to his daughter came home to roost.
他对女儿的刻薄得到了恶报。
My neck is very acerbity , what method can be treated?
我的脖子很酸，有什么方法可以治疗啊？
