The water may evaporate rapidly, but you can reduce evaporation by covering the mouth of the jar loosely with a lid, or bread wrapper or paper held in place by a rubber band or string.
(The water; may evaporate rapidly; ) (you; can reduce; evaporation) (a lid, or bread wrapper or paper; held; L:in place; by a rubber band or string)
The water you a lid, or bread wrapper or paper
may evaporate rapidly can reduce held
evaporation
L:in place by a rubber band or string