n.

1. 末端；尽头[C]
   Alaska is at the western extremity of North America.

   阿拉斯加在北美西部的尽头。

2. 极度；极端；绝境[U][S]
   The poor dog was in an extremity of pain.

   这条可怜的狗正处在极度痛苦之中。

3. 非常手段；极端的行动[P]
   Both armies were guilty of extremities.

   两军皆犯有使用残酷手段之罪。

4. 手足，四肢[P]

n.

1. the furthest point or limit.
   ▸ (extremities) the hands and feet.
2. severity or seriousness.
   ▸extreme adversity.