实用外教英语口语课（300集）

SC1: disoriented-The patient felt disoriented after waking up from the surgery.

assertion

qualifier- By adding the qualifier, the writer protects himself from criticism and disagreement,reducing the risk of alienating readers.

in the process-I'm in the process of baking cookies.

prevalent-Alcoholism is becoming more and more prevalent among teenagers.

prevalence-The prevalence of the disease was reduced after the vaccine was invented.

link to-The episodes were overwhelmingly linked to sleep disorder.

present-absent