下一个问题就是，为什么人们会将电光外的玻璃罩类比成洋葱？

The next question is why the glass casing surrounding an electric light might be compared to an onion.

youdao

当将数据分解成多个具有外键关系的表时，这尤其重要。

This is important when data is decomposed into multiple tables having foreign key relationship.

youdao

外框和内容区的内边距在20至25像素正逐渐成为一种约定俗成的法则，甚至更大的内边距也被普遍接受。

Padding of 20 to 25 pixels in the wrapper and content area is becoming a rule of thumb, and even more padding is often considered acceptable.

youdao

The way we did this was to coax embryonic stem cells first to develop into the surface layer.

我们是这么做的,先诱导胚胎干细胞,发育成外胚层。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

If I cut up just DNA from the chromosome, what's called genomic DNA, then I'm going to have both exons and introns within the fragments that I create.

如果我切割的恰好是染色体上的,基因组DNA,那我切成的片段上,就会同时有外显子和内含子

耶鲁公开课 - 生物医学工程探索课程节选