Babies are apt to put objects into their mouths.
婴儿爱把东西往嘴里塞。
Mothers routinely lay babies on their backs to sleep.
母亲们通常会把婴儿平躺着放下睡觉。
Olson also studies and observes the behaviour of babies.
奥尔森还研究并观察婴儿的行为。
All babies in the hospital have name tags tied round their ankles.
医院里所有婴儿的脚踝上都系有姓名标签。
Leading scientists claim breast-fed babies are intellectually brighter.
权威科学家们称母乳喂养的婴儿智力比较高。
Mothers wanting to minimize the risk of cot death should breastfeed their babies.
想降低婴儿猝死综合症机率的母亲应以母乳喂养她们的宝宝。
Babies lose heat much faster than adults, and are especially vulnerable to the cold in their first month.
婴儿比成人散热快得多，在出生第一个月里尤其易受寒。
Babies who sleep with their parents receive much more tactile stimulation than babies who sleep in a crib.
和父母睡在一块儿的婴儿比单独睡在婴儿床上的婴儿得到更多的触觉刺激。
He loves bottle-feeding their babies.
他喜欢用奶瓶喂他们的宝宝。
She's studying babies' fears of spiders and snakes.
她研究了婴儿对蜘蛛和蛇的恐惧。
One of the goals is to improve care for babies infected with H.I.V..
改善对感染艾滋病毒的婴儿的护理是其中一个目标。
The kangaroo has a pouch where babies live until they can hop around on their own.
袋鼠有一个育儿袋，袋鼠宝宝一直住在里面直到它们自己能到处蹦跳。
During childbirth, larger babies have more difficulty passing through the birth canal.
在分娩时，较大的婴儿更难通过产道。
The study involved ordinary adults watching video clips of babies nine months or younger.
这项研究让普通成年人观看9个月或更小的婴儿的剪辑视频。
Babies speak baby languages like babble, and they respond to babies in the same baby language.
婴儿会讲些咯咯咕咕的婴儿语，而他们会以同样的婴儿语回应婴儿。
Babies have these big, protruding foreheads, an upturned little nose, chubby cheeks and big eyes.
婴儿有大而突出的额头，朝上的小鼻子，胖胖的脸颊，大大的眼睛。
The adult observers were able to reliably discern an assortment of emotions on the babies' faces.
成年观察者能够有依据地辨别出婴儿脸上的各种情绪。
By comparison, 48 percent of the overweight babies and 24 percent of the normal-weight babies weighed too much at their toddler visits.
相比之下，48%的超重婴儿和24%的正常体重婴儿在蹒跚学步时体重过重。
Human babies are born helpless.
人类的婴儿生来就是无助的。
The babies were looked after very well.
这些婴儿被照顾得很好。
New-born babies sleep most of the time.
新生的婴儿大部分时间都在睡觉。
Babies also have to learn to use their hands.
婴儿还必须学会使用他们的手。
The shoes are good for keeping babies' feet warm.
这种鞋能给小孩子的脚保暖。
The babies are twin girls who were born in November.
这对双胞胎女孩11月出生。
She risked her life and all of her babies were saved.
她冒着生命危险，而她所有的孩子都得救了。
In fact, sugar and salt are not good for babies, or you.
事实上，糖和盐对婴儿和你都不好。
Both the mother and father falcons help to raise the babies.
隼妈妈和隼爸爸会共同抚养幼鸟。
The father hunts and brings back food for her and the babies.
父亲打猎，并为她和孩子们带回食物。
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