There was a rattle of rifle fire.
有步枪射击发出的嘎嘎声。
When it is angry or afraid, it makes a noise like a rattle with its tail.
当它生气或害怕时,它会用尾巴发出卡嗒卡嗒声。
Except this time, you won't have diapers or a rattle and you'll have to dress yourself!
只是这段时间,你不必穿尿布,也不需要拨浪鼓,并且你必须自己穿衣服。
Piaget's example would be a baby who's used to sucking on a breast might come to suck on a bottle or on a rattle.
皮亚杰举例说,一个习惯吸吮乳房的婴儿,可能会去吸吮奶瓶或是拨浪鼓
Before six-month-olds, Piaget observed, you take an object the kid likes like a rattle, you hide it, you put it behind something, it's like it's gone.
皮亚杰发现,在六个月之前,你将婴儿喜欢的物体,比如说拨浪鼓,藏起来,隐藏在某物的后面,就像这东西消失了一样
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