其特征为无力,这种无力起因于运动终极的过度去极化.The condition is characterized by weakness resulting from excessive depolarization of the motor end - plate.早期去极化后也可引起充血性心衰的心律失常.Early afterdepolarizations are also responsible for the arrhythmia...
The barn went to wrack and ruin after the farmer moved.那农夫搬走之后,谷仓就废弃了.The wrack of the city was still hot from the fire.这城市的残骸,仍因火灾还是热的.black wrack墨角藻The wrack had begun to stink as it rotted in the sun.海草残骸在阳光下腐烂,开始变臭了....
Bullies pick on younger children.坏孩子专挑年纪更小的孩子欺负。Why do you always pick on me to do the unpleasant jobs?你为什么老是找我干这些令人不愉快的工作?I know someone has to fetch some more logs, but why pick on me?我知道得有人再去捡些木柴, 但为什么挑上了我?...