Maria Droujkova is a founder of Natural Math, and has taught basic calculus concepts to 5-year-olds.

玛丽亚·德鲁伊科娃是“自然数学”的创始人之一，她曾向5岁的儿童教授基础微积分概念。

youdao

We've already "paid" for our basic living expenses for the year from working a few months each in 2011.

在2011年我们工作几个月就可以负担起温饱生存花费。

youdao

Each farmer has a profile that features basic information such as their name, their production per year and their location in the world.

每个农民都有一个页面，这个页面上有一些基本信息，包括他们的名字，他们每年的产品，以及他们所在的位置。

youdao

It has experienced internal divisions and rising tensions in the past year, as major political parties struggle to agree on a basic political structure.

VOA: standard.2009.10.15

So, if you propagate that through the whole year, and you have the basic mastery of the concepts, 50 is a pass.

如果你一整年都在认真学，那你就可以掌握基本的概念,50分就可以通过。

麻省理工公开课 - 固态化学导论课程节选

In general, cars are planned to last -- with only basic year-over-year updates -- for seven full years.

ENGADGET: A Mini mindset: how an automaker's Connected platform could spark a seismic shift in infotainment expectations

So we do our basic every year, which is spiders and Jell-O, because Jell-O is the ultimate Halloween food and we have it in our pantries.

NPR: Author Shares Tricks And Treats For All

Markers have highlighted problems with basic English in this year's Standard Grades and Highers.

BBC: Scottish exam markers find errors in basic English