About four years ago, I thought I'd do something really barking crazy, and I committed to do a PhD in marine ecology.

大约四年前， 我想我会做一些真正疯狂的事情，我承诺攻读海洋生态学博士学位。

It breaks down smaller and smaller and smaller, and the breaking science on this, Chris, which we've known in marine ecology for a few years now, but it's going to hit humans.

它分解得越来越小， 越来越小，这方面的突破性科学，克里斯，我们在海洋生态学中已经知道几年了， 但它会影响人类。