讲解文本：

in one's blood 天生就有的、骨子里存在的(能力)

I think singing is in my blood.

我感觉我天生就会唱歌。

Math is so hard for me. It's just not in my blood.

数学对我来说太难了，我天生就不是学数学的料。

疯狂练习吧!