我们用两条腿直立行走，我们的新生宝宝非常无助，也大得不寻常。
We walk upright on two legs and our newborns are helpless. Our babies are unusually large.
Yva说道：“我们遇到了两只带着幼崽的袋鼠妈妈，当时他们在草丛中吃草并短暂休息，袋鼠宝宝们不断地把脑袋和腿伸出育儿袋。”
Yva said: "This was one of two females with young joeys. The mothers were grazing in short grass and periodically resting, while the babies kept sticking their heads and legs out of the pouches."
研究人员们首先测量了宝宝们踢腿的基线水平（在腿和盖子没有链接的情况下），然后将其与腿和盖子相连后的踢腿次数相比较。
Researchers first measure infants' baseline levels of kicking (with mobile unattached), then compare this to kicking that produces an exciting response (wow, the mobile is moving!).
不要让宝宝一条腿站着。
让每个宝宝的整个身体都对着你躺在他所在的一边，让他的腿伸开交叉到你的上腹部。
Each baby is lying on his side with his whole body facing you and his legs stretched out across your upper abdomen.
你已经看到如何宝宝的腿开始兴奋的移动。
You've seen how your baby's legs start moving with excitement.
一只手在地板上或空中平移，掌心朝下，假装是巴士。你也可以让“巴士”沿着宝宝的腿跑。
Move one hand along the floor or through the air, palm facing down, as if it's the bus (you can also move the "bus" along your toddler's legs).
拍摄当天最好给小宝宝穿一件薄而贴身的连体衣，以露出胳膊和腿最好；
It is best to dress your baby with a thin and close-fitting one-piece, uncovering his or her four limbs;
宝宝头部左右两边凹陷的地方会发育成耳朵，他的胳膊和腿也逐步开始发育了。
His emerging ears are marked by small depressions on the sides of the head, and his arms and legs by protrude.
宝宝头部左右两边凹陷的地方会发育成耳朵，他的胳膊和腿也逐步开始发育了。
His emerging ears are marked by small depressions on the sides of the head, and his arms and legs by protrude.
应用推荐