Enteroderm
消化道内胚层
🗣️ 情景例句
Good. What do you think, Richard?
好。 你看呢 Richard？
Industry is fortune's right hand, and frugality her left.
勤勉是幸运的右手，节约是幸运的左手。
He turned on the light, but he couldn't see anyone. The thieves had already gone.
他开了灯，但不见一个人。小偷逃走了。