This is the engineer who he cooperated with in the project.
★ Beyond the practical need to make order out of chaos, the rise of the dictionaries is associated with the rise of the English middle class, who were anxious to define and circumscribe the various world to conquer.（persons, those, people等先行词多用关系代词who）
★ It is Tom who should be punished.（在强调结构中，指人时多用who）
★ The American zoologist Donald Griffin, who was largely responsible for the discovery of sonar in bats, coined the term ‘echolocation’ to cover both sonar and radar, whether used by animals or by human instruments.
★ much （很多）
everything （任何事情） +先行词 +that
E.g. There is nothing in the world that can frighten him.
He is the most boring speaker that I have ever heard.
This is the most interesting book that I have ever read.
the same +先行词 +that
E.g. This is the last chance that you have.
This is the very thing that I lost yesterday.
This is the first thing that he wants to do.
You are the only friend that we have.
He is the last person that Tom wants to see.
He has told the police all that he knew.
E.g. Who that knows him will trust him?
Which of these trains is the one that goes to Nanjing?
Which is the bike that you have lost?
E.g. The man and the horse that fell into the river were drowned.
Look at the girl and her dog that are crossing the bridge.
He told me the story of the craftsman which I narrated at the beginning of this book.
★ those + 复数名词 之后
You should buy one of those clothes which sell best.