英语语法分析

Natto can help your heart in many ways.

纳豆可以在许多方面帮助你的心脏。

These people should definitely try out natto.

这些人应该尝试纳豆。

Natto is a rich source of a specific form of vitamin K called K2.

纳豆是一种具体的维生素k，被称为K2的丰富来源。