This is the 7883rd most frequent Chinese word.
須進
"須進" means "must enter" or "required to proceed."
Here, "須進" is used to indicate a necessity or requirement to enter.
他們須進室內避雨。
They must enter indoors to take shelter from the rain.
In this case, "須進" specifies a required action for participants to proceed.
所有參加者須進行身份驗證。
All participants must undergo identity verification.
"須進" is used here to state a prerequisite action for accessing materials.