In my family it was always a really special day and whenever it wasanybody’s birthday we would have a huge breakfast, with balloons,banners, a big cake and a pile of presents on the table.
“We've gotten really good at predicting the trajectory of these balloons,”he says.“But there is some error that accumulates throughout the trajectoryand it can be corrected about 40 km.
article.yeeyan.org
如果地球是移动着的,那一个人想环游地球的话只用准备一只结实的大气球。
If the Earth moved, all it would take for a man to travel its distance would bea strong balloon.
article.yeeyan.org
我倾向于使用更圆的气球,用不同的姿势拿起球来巧妙地处理最终效果。
I tend to use rounder balloons, holding the balloons in different positions tomanipulate the outcome. article.yeeyan.org
从来没有人们记忆中有一个选举更重要的是一个比迅速接近,这就是四年一度的陈词滥调,如预期的气球和豪。
Never in living memory has an election been more critical than the one fastapproaching—that’s the quadrennial cliché, as expected as the balloonsand the bombast.
ask.putclub.com
向上的力与向下的力相等,所以气球就保持在这一高度。
The force upward equals the force downward so that the balloon stays atthe level.