The parents leave the eggs to hatch where they are deposited, in sand or in mould.
The male penguin is the one responsible for keeping the egg safe until the baby penguin is ready to hatch.
The chief engineer of the submarine went down through the hatch.
He lifted his mug of ale to his friend and yelled, "Down the hatch!"
After the lapse of six, eight or twelve days, according to the temperature, the larvae hatch out of the eggs.