我觉得intonation是一个，连读浊化，连读和hold 是你听起来和native speaker的一大区别。
What is Accent?
Accent is a combination of three main component: intonation (speech music), liaisons (word connections), and pronunciation (the spoken sounds of vowels, consonants, and combinations.) As you go along, you'll notice that you're being asked to looked at（script typo） accent in a different way. You'll also realize that the grammar you studied before and this accent you're studying now are completely different.
第52课是个练练读的好材料，跟我一起读？
