blocke嵌段blockn.街区；木块；石块；大楼；一组；阻塞(物)；障碍(物)v.阻塞blocking blood塞流blocking valve闭塞阀,闭锁阀,锁气阀blockcondensern.阻塞电容器(电解电容器组)block constant表征数字组特性常数block strengtb滤波强度block matching块匹配block addition块累加block-holing分块钻孔block staining组织块染色block finishes块体饰面

1. It leads to a presentation like that of acute appendicitis, but an adnexal mass may be palpable.
   通常与急性阑尾炎表现相似，但有明显的附件团块。
2. This event was of special interest because it gave off a coronal mass ejection at an angle that made it easy to view.
   这次事件特别吸引人，因为它所引发日冕团块喷射的角度很容易观测。