他们的家庭和朋友们怎么看待在酒店带大小孩？

What do their family and friends think about bringing up children in a hotel?

youdao

我不再是从前那个大小孩了。

I will no longer be used to the big kids.

youdao

大小孩：没关系。

Big child: Take it easy.

youdao

Now, the polio vaccine that Salk produced was very effective, but it required a fairly large dose of the vaccine and it had to be injected into the arms of children.

索尔克生产的小儿麻痹症疫苗效果显著,但是,该疫苗的单支注射剂量非常大,而且必须通过小孩的手臂进行注射

耶鲁公开课 - 生物医学工程探索课程节选