Entoderm
n. 内胚层\\n[医] 内胚层
🗣️ 情景例句
I'm busy packing for the journey.
我为外出旅行，正忙着打点行李。
If he doesn't tell him, I will.
如果他不，我将告诉他。
and because there is so much of it the function would seem to e important.
睡眠占去那么多时间，所以其作用似乎还是很重要。