en_tn/lev/23/12.md

Yahweh continues telling Moses what the people must do.

ephah

An ephah is 22 liters. (See: rc://en/tw/dict/bible/other/biblicalvolume)

hin

A hin is 3.70 liters. (See: rc://en/tw/dict/bible/other/biblicalvolume)

nor roasted or fresh grain

"nor cooked or uncooked grain"

This will be a permanent command throughout your people's generations

See how you translated a similar phrase in Leviticus 3:15.