block mass的用法和樣例：
例句
- It leads to a presentation like that of acute appendicitis, but an adnexal mass may be palpable.
通常與急性闌尾炎表現相似，但有明顯的附件團塊。 - This event was of special interest because it gave off a coronal mass ejection at an angle that made it easy to view.
這次事件特別吸引人，因為它所引發(fā)日冕團塊噴射的角度很容易觀(guān)測。
