undesirable and thin
"weak and skinny." See how you translated this phrase in Genesis 41:3.
desirable and fat
"healthy and well-fed." See how you translated this phrase in Genesis 41:2.
a second time
The word "second" is an ordinal number. AT: "again" (See: rc://en/ta/man/translate/translate-ordinal)
Behold, seven heads
The word "behold" here shows that Pharaoh was surprised by what he saw.
heads of grain
The heads are parts of the corn plant on which the seeds grow.
came up on one stalk
"grew up on one stem." The stalk is the thick or tall part of a plant.
on one stalk, wholesome and good
"on one stock and they were healthy and beautiful"
thin and scorched by the east wind
This can be stated in active form. AT: "that were thin and burned because of the hot wind from the east" (See: rc://en/ta/man/translate/figs-activepassive)
the east wind
Wind from the east blew in from the desert. The heat of the east wind was often very destructive.
"grew up" or "developed"