首页
滴滴雨露
滴滴社区
美国小学
用英语学英语
在线客服
During the years prior to the Civil War, tens of thousands of African-American slaves won their freedom by heading north along the Underground Railroad.
Spring forward, fall back! Find out why summer daylight hours are so blissfully long in this BrainPOP movie on daylight saving time!
Would you believe there are actually three different South Poles? In this BrainPOP movie, Tim and Moby introduce you to life at the bottom of the world.
SNAP! Owwwww! If you’ve ever broken a bone, you know exactly how scary and painful it can be.
Are you ready for a workout? In this BrainPOP movie, Tim and Moby explore the benefits of exercise and staying physically fit.
Need one to grow on? In this BrainPOP movie, Tim and Moby teach you all about how your body grows!
Why does a fax machine have a telephone number? Tim and Moby will clue you in to this and lots of other fun fax.
Inequality isn’t always bad! In this BrainPOP movie, Tim and Moby introduce you to mathematical inequalities.
Get some tips on what to do before you start writing, including what you can do to help you while you’re reading.