Definition: existing or happening before something else Level: C1
该课程不需要西班牙语的先验知识。
The course requires no ___prior knowledge of Spanish.
参考我们之前的通信，我接受您再次担任翻译的提议。
Referring to our ___prior correspondence, I accept your offer to be your interpreter again.
你需要获得这个项目的预先批准。
You need to obtain ___prior approval for this project.
