Online Class Notes (Nemo)

Before the formation of the People’s Republic of China

Theory (n): a formal statement of the rules on which a subject of study is based or of ideas that are suggested to explain a fact or event or, more generally, an opinion or explanation
理论；学说；意见
economic theory
经济理论
scientific theory
科学理论
Darwin’s theory of evolution
达尔文的进化论
He has a theory that the hole was caused by a meteorite.
他认为那个洞是陨石坠落形成的。

Cake mix

Local dialect

dialect (n): a form of a language that people speak in a particular part of a country, containing some different words and grammar, etc.
方言，土语，地方话
a regional dialect
地区方言
The poem is written in northern dialect.
这首诗是用北方方言写成的。