Noun:
a formal meeting or series of meetings of a court, a parliament, etc.; a period of time when such meetings are held
TechnicalTerms
The sequence of interactions between client and server, or between user and system; the period during which a user is logged in or connected. 会话
定语从句
计算机中英文术语对照表 | 菜鸟教程 (runoob.com)
a period of time that is spent doing a particular activity 一场；一节；一段时间
a photo/recording/training, etc. session
拍照、录音、训练等时段
The course is made up of 12 two-hour sessions.
这门课总共上 12 次，每次两小时。