a rare nerve disorder that can cause paralysis of the arms.

一种罕见的能导致手臂瘫痪的神经紊乱。

Six months ago America's worst civil disorder in more than 100 years erupted in the city of Los Angeles.

6个月前，美国100多年来最严重的市民骚乱在洛杉矶市爆发了。

The casualty ward was in disorder.

急救室一片混乱。