DNA accumulates information through random errors (that just) some of which just happen to work. 括号里面是亲您写漏了的部分。100%按亲写的跟读，AI老师不给金币。
英语流利说 Level8 Unit3 Part3: The History of Our WorldDavid Christian: The history of our world in 18 minutes | TED Talk Video 1: The History...
In this hospital in South Africa,patients that came in with, say, a broken leg, to wait in this unventilated hallway,
walked out with a multidrug-resistant strand of tuberculosis. --- strand改为strain
英语流利说 Level8 Unit3 Part2：Healing ArchitectureMichael Murphy: Architecture that's built to heal | TED Talk Video 1: Healing Architect...
The act of collecting soil itself has lead to a type of spiritual healing.-----lead应该改成led。懂你英语app复述句子刚好是这句。
英语流利说 Level8 Unit3 Part2：Healing ArchitectureMichael Murphy: Architecture that's built to heal | TED Talk Video 1: Healing Architect...
