下面由我来介绍用英语怎么写

Let me introduce it

由我───It's up to me;介绍───introduce

This heart is a tremendous gift, and it's up to me to stay fit and take care of it.───这颗心脏是一个极为贵重的礼物，现在该是我保持健康并且呵护它的时候了。

's up to me to put that return value in a variable.───那个放在变量中的值是取决于我所赋的值。

Thus, it's up to me to remember them.───因此，我必须自己努力记住。

But we have to move on and it's up to me to try and strengthen our squad as well as I can.───但是我们必须转让，现在该由我来决定试着尽力加强我们的阵容。

It's always been up to you, it's turning around, it's up to me, I'm gonna do what I have to do, just don't.───一直以来都是由你决定，现在变了，由我自己决定，我会做我必须做的事，只是现在不能。

It's up to me to prove that I can do as well as the world champion.───对我来说就是要检验自己能否做得像世界冠军一样出色。