Neuroectoderm
[胚] 神经外胚层
🗣️ 情景例句
Never go swimming on a full stomach.
吃饱饭后不要游泳。
The least said, the soonest mended.
（or Least said， soonest mended） 少说为佳。
The doctor said he could do nothing to help him.
医生说他对此无能为力。