Step1: 听单词讲解音频并跟读，熟悉它们的发音和意思。
gaze at
pathologist
spoiler alert
franks
slides
ballpark vendor
stains
fat globules
skeletal muscle
cartilage
vegetable matter
put it this way
biopsies
col’on
leave you at that
anuses
put to rest
urban legend
Step2: 听音频，用简洁的文字回答下面的题目。
1. What did the researches find about the no-brand hotdog compared to the all-beaf dog?
2.What does the speaker imply about the vegetable matter?
Step2: 关注微信公众号“顶萃英语”，回复关键词“高阶24”可获取参考答案。
This is Scientific Americans 62nd Science.
I'm Christopher and Tagyata.
If you find yourself at a cookout this 4th of July, gazing at the hot dogs, wondering, what exactly are they?
Here's your answer.
They're just tubes of fat.
Tyler Rouse, pathologist at the Stratford General Hospital in Ontario, Canada.
And I may as well give a spoiler alert before continuing this story because... I've ruined hot dogs for many people.
Couple years back, Rouse 2 was wondering about the composition of Franks, given his day job.
I said, well, you know, that's actually an easy answer to find out.
We work in a lab.
