在子宫内发展的阶段,婴儿大多数时间都在睡觉,分为浅睡眠和深度睡眠。
It is only when the fetus enters the final trimester that the glimmers of real wakefulness emerge. Far less than you would probably imagine, though-just two to three hours of each day are spent awake in the womb.
只有在最后三个月,清醒才会微露光芒。但比你想象的少多了--每天在子宫内只会醒2至3个小时。
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