20年前深圳有许多小山。学习小学小学一般过去时。

There were many hills in Shenzhen 20 years ago.

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但是，小学教师的工资低并不表示小学教育不重要。

A low wage for elementary school teachers, however, doesn't mean elementary education isn't important.

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一项调查显示，中国中小学生每天只花12分钟做家务，而美国的中小学生花72分钟，韩国42分钟，法国30分钟。

According to a survey, primary and middle school students in China only spend 12 minutes a day on chores, compared with 72 minutes in the US, 42 minutes in South Korea and 30 minutes in France.

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So if you had some number back in grade school like 123, well, why do we express this as 123?

在小学，像123这样的数，为什么我们要表达成123这样的呢？

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Well, it's a long time ago but it was elementary school, you know, maybe 3rd grade, 4th grade,

那是很久以前的事情了，应该是小学时候吧，那大概是三年级或者四年级，

美国的博物馆教育 - SpeakingMax英语口语达人

The clinical trial was designed such that almost two million elementary school children were given this test vaccine.

该临床试验的计划是,向近二百万的小学学生,接种这种测试疫苗

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