Now the vast majority of tumors of the heart are actually secondary, meaning that a tumor developed somewhere else in the body, metastasized, and spread to the heart.

大多数心脏肿瘤为继发性的，也就是从身体其他地方发展而来，转移并传播到心脏的。

It can be used to describe someone who can't sing, but also has a secondary meaning that refers to someone who can't understand the sensitive nature of a situation.

它可以用来形容不会唱歌的人，但也有一个次要的含义，指那些对状况不敏感的人。