Newborn babies respond enthusiastically to soft stroking, cuddling and caressing, say experts
In developed countries, the average birth weight of a full-term newborn baby is approximately 3.4 kg, and is typically in the range of 2.7 - 4.6 kg.
在发达国家，足月新生儿的平均出生体重大约为3.4公斤，一般范围在2.7~4.6公斤之间。
今日短语
如果形容某人是 in safe hands 意思就是他们是在可靠的人手中，有强人在关照。
例句
John is going to be operated on by one of the best surgeons in the country. He's in safe hands.
The new CEO of the company had degrees in engineering and business administration. The staff knew they were in safe hands.
请注意
短语 a safe pair of hands 意思同上面讲到的表达意思类似，指某人是可以被信赖的，工作中不会出差错的。
My boss gives me all the difficult assignments. He knows I am a safe pair of hands.
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