She bellows into the air, sending out a sound wave that rings across the savannah.

她向空中吼叫，发出响彻大草原的声波。

Snakes spread their tongue tips apart near the ground and whip them up and down in the air, sending odor molecules back into their vomeronasal organs.

蛇在靠近地面的时候张开舌尖，在空中上下摆动，将气味分子送回鼻器官。