What is the difference between source speech and source language? Please explain in detail.

The source language is a professional term for foreign language translation, which is opposite to the target language. Source language (a language that can lead to another language. The language used when initially writing a computer program is the source language. The source language generally refers to the language used to write the source program, which must be translated into machine language* Used in computers.) Target language: target language. Intermediate language: an intermediary expression that is independent of any specific natural language, capable of unifying the syntactic and semantic information required for machine translation, and representing the relationship between the source language and the target language in the machine translation system. contact.