Most babies have a closed ductus arteriosus by 72 hours after birth.大多数婴儿在出生后72小时内动脉导管闭合.Babies shed a layer of downy , slender hairs ( lanugo ) before or just after Birth.细毛,在出生前或出生后不久便脱落.Consequently, the problems such...
I have known cases where dogs have nipped babies.我知道有一些狗咬婴儿的事情。Stern also studies and observes the behaviour of babies.斯特恩还研究观察婴儿的行为。Even very young premature babies respond to their mother's presence.即使是很小的早产儿也会对母亲...
Gill seized my hand and shook it heartily.吉尔突然抓住我的手,热情地和我握手。He ate heartily but would drink only beer.他敞开胃口大吃，却只喝啤酒。This reflects that Feng Menglong heartily sympathized with these protagonists.这反映出冯梦龙由衷地同情书中的这些主要人物.Tell...