1. Either extremity of an axis through a sphere. 
   （轴的）两极穿过一个球体的中轴的两端中的任一端
2. How can we help them in their extremity? 
   我们怎样帮助他们摆脱困境呢？
3. gangrene of lower extremity 
   脱疽
4. Either extremity of the main axis of a nucleus, a cell, or an organism. 
   卵细胞的极细胞核、细胞或有机体的主轴两端的任一端
5. The lower extremity of the vertebrate leg that is in direct contact with the ground in standing or walking. 
   脚、足有椎骨的腿的最下端，在站立或行走时直接与地面接触的部分

查看更多例句 相关情景会话

• 1. 这条可怜的狗正处在极度痛苦之中
  空气极度寒冷。the poor dog was in an extremity of pain....这条可怜的狗正处在极度痛苦之中。a sensation of extreme giddiness
  zidian.cn.yahoo.com - 相关搜索