From there you can look straight down to the dinosaur fossils displayed on the floor below.
从那儿往向下看，你可以看到陈列在地面上的恐龙化石。
The feedback they get from the ground means there is less need to look down, which is what puts them off balance and causes them to fall down.
因为从脚部皮肤获取的地面信 息已能满足儿童行走的需要，所以他们就不必老是低头朝下看。
The feedback they get from the ground means there is less need to look down, which is what puts them off balance and causes them to fall down.
因为从脚部皮肤获取的地面信 息已能满足儿童行走的需要，所以他们就不必老是低头朝下看。
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