每日新闻（28）
Dolphin moms use baby talk to call to their young, recordings show
You know instantly
(
when someone is speaking to an infant or small child
)
.
It turns out that
(
dolphin mothers also use a kind of
high-pitched baby talk
)
.A study published Monday found
(
that female
bottlenose
dolphins change their tone
(
when
addressing
their
calves
)
.
)
Researchers recorded
the
signature
whistles
of 19 mother dolphins in Florida, when accompanied by their young
offspring
and when swimming alone or with other adults.
生词/组：
It turns out that 结果是;原来；事实证明
high-pitched 很高的;尖厉的
baby talk 牙牙学语;模仿儿语
bottlenose n.宽吻海豚
addressing 演讲;向…说话;address的现在分词
calves 小牛;崽，幼兽;calf的复数
offspring n.后代;子女;孩子;幼崽
译文： 录音显示，海豚妈妈对海豚宝宝使用“童言童语”
当有人和婴儿或小孩说话时，你会立刻知道。事实证明，海豚妈妈也会用一种高普的婴儿语。周一发表的一项研究发现，雌性宽吻海豚在和幼海豚讲话时会改变语气。研究人员记录了佛罗里达州19只母海豚在幼子陪伴下以及独自或与其他成年海豚一起游泳时的标志性口哨声。 来自美联社（AP News）
