So this one is a quadcopter. 这是一个四轴飞行器。 It's a small model helicopter. In a way, it's a toy, no? 一个小型的直升机模型。差不多是个玩具吧。 And so this one was military technology a few years ago, and now it's open-source,
We communicate differently, extroverts and introverts. 外向者和内向者的交流方式有所不同。 Extroverts, when they interact, want to have lots of social encounter punctuated by closeness. 外向者在与人互动时喜欢肢体接触，喜欢亲近对方。 They'
Good morning everyone, the country has just taken part in a giant democratic exercise, perhaps the biggest in our history. 大家早上好。国家刚刚经历了一场巨大的民主活动，这，也许会是史无前例的。 Over 33 million people from England, Scot
How to Lose Weight It seems that many people today are overweight. No one wants to carry around extra pounds, lout few people know how to slum down effectively. They look for miracle pills and magic c
