It's a long drop, and a few calls of encouragement are required. 要让它们从这么高的地方落下 妈妈鼓励的叫声是必须的
These calls announce the start of a raid into land controlled by their neighbors. 这种声音是在宣布要去搜捕侵犯领土的邻居们了
She's heading towards the loudest call, because loud calls come from big frogs and big is best, 她在朝鸣声最大的雄蛙走去, 对雌蛙来讲雄蛙叫得大声就是美
but frogs ears are tuned to hear only the calls of their own kind. 可蛙类只能听到同类的声音
The cacophony of competing calls seems deafening to us 刺耳的声音震耳欲聋
Insects work in harmony, timing their calls to fall between the notes of others. 昆虫鸣得很和协, 他们按照时间规律来互相传达着信息
But few calls can penetrate as far through the dense vegetation as this one the deep bass solo of a male orangutan. 有的叫声可以穿透密密的植被 例如这只,重低音独奏--雄红毛猩猩
Up here the calls of siamang gibbons seem to dominate the airwaves 合趾猴通过声音广播来统治领土
The calls of the siamang gibbons begin as a duet between the dominant male and female. 合趾猴通过叫声来联系公猴和母猴