Primordisl endoderm cells

endoderm

n. 内胚层\\n[医] 内胚层, 下胚层

cells

n. 细胞；牢房；小屋；单元格（cell的复数）

I don't know how to thank you enought.

我不知道应该如何感谢你。

I ought to tell him the whole story.

我应该告诉他整个事情的始末。

You were very kind. You brought out all your jewellery and you told me I could take anything I wanted. There were so many beautiful things that it was hard to choose. And then I saw a lovely diamond necklace with a big blue stone in the centre.

你太好了。当时你把所有的珠宝首饰全都拿了出来，而且说，我要什么就可以拿什么。漂亮的首饰太多了，实在难挑选。后来我终于看中了一条美丽的钻石项链，中间还嵌着一颗大蓝宝石。