Ainda não temos significados para "fill with birdsong".
1The trees around them were filled with birdsong, and cicadas droned incessantly in the tall grass.
2The silence after I turn off my engine is filled with birdsong, then a cow mooing.
3A spring morning in Falmouth, the air filled with birdsong and the hum of bees, and always, the salt tang of the sea.