The act of starting something

• The beginning stage of a process or action

开始某事的行为

• 过程或行动的起始阶段

Introduction or early instruction into a subject or activity

• A first experience that familiarizes someone with something

对某学科或活动的入门性介绍或初步指导

• 使人熟悉某事物的首次经历

A ceremony or rite admitting someone to a group or society

• The formal process of becoming a member

接纳某人加入团体或社团的仪式或礼仪

• 成为成员的正式程序

The initial step of transcription, translation, or signal transduction

• The triggering stage that begins a biochemical process

转录、翻译或信号转导的起始步骤

• 启动生化过程的触发阶段