英语演讲自我介绍【1】 don’t be crazy about me,i am only a lengent hello,boys and girls .i’m very happy to have a speech in our class. i miss you could’t know something about me. don’t worry! today,i will
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,
Now, I am not going to stand here and tell you that failure is fun. That period of my life was a dark one, and I had no idea that there was going to be what the press has since represented as a kind o
