Important documents are being stored in the locked drawer of Koichi's desk.
Breastmilk can be preserved for a long time, if you freeze it.
"This bacon contains no food coloring or preservatives." "Well, then it really isn’t bacon."
We try to preserve anything we want to exist with preservation. Want a special sea creature or bird to exist? Up conservation efforts! And, if you want to save data (like on a computer), you can use this word for that kind of saving, as well.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.