extremity
n. 手足，四肢；尽头，末端；极端，绝境；残酷的手段，非常手段
复数 extremities
例句
In spite of the extremity of her seclusion she was sane.
尽管完全与世隔绝，她依然神智清醒。
《柯林斯英汉双解大词典》
The lake is situated at the eastern extremity of the mountain range.
湖位于山脉最东端。
《牛津词典》
In her extremity, an instinct told her to which of them to turn.
在她陷入困境时，一种直觉告诉她该向他们中的哪一个求助。
