语言表达是人类交流思想和情感的重要工具,是教师必备的基本职业技能。语言分为有声语言和无声语言。本文初步探讨两类语言的特点及其在生物教学中的运用。 Language expression is an important tool for exchanging ideas and emotions and is a basic vocational skill that teachers must possess. Language is divided into vocal language and silent language. This article initially explores the characteristics of two languages ​​and their application in biology teaching.