preliminary
occurring before a more important thing, particularly as an act of introduction
初步的
[形容词]
early
relating to the initial or beginning stages of a particular phase, experience, or period
早期的
[形容词]
下载LanGeek应用程序
occurring before a more important thing, particularly as an act of introduction
初步的
relating to the initial or beginning stages of a particular phase, experience, or period
早期的