The chicks hatched from the eggs after a long wait.

Meaning: After some time, the baby birds came out of their eggs.

Choice of Words: Chicks are baby birds, hatched means emerged from an egg, eggs are the oval objects laid by female birds, and wait means a period of time spent expecting something to happen.

Alternative Expressions

The chicks emerged from the eggs following an extended period of anticipation.

Meaning: This sentence is saying that the baby birds came out of their eggs after waiting for a long time.

Choice of Words: Chicks are young birds. Emerged means that the chicks came out of their eggs. Eggs are what baby birds grow inside of. Following means that something happened after something else. An extended period of anticipation means that the chicks had to wait a long time to come out of their eggs.

After a prolonged period of incubation, the avian offspring liberated themselves from their calcareous enclosures.

Meaning: This sentence is saying that the baby birds came out of their eggs after waiting for a long time.

Choice of Words: Avian offspring means baby birds. Liberated themselves means that the chicks came out of their eggs. Calcareous enclosures means eggs. After means that something happened later than something else. A prolonged period of incubation means that the chicks had to wait a long time to come out of their eggs.

Related Expressions