During World War II, troops and materials were effectively transported by the Spruce Goose.()
查看答案
The Spruce Goose was the biggest airplane ever built and flew only once.()
Leonardo da Vinci applied the principles of the birds’ flight to the design of his flying machines.()
Xinchejian is China’s first formal “hackerspace”, a government-run workshop.()
According to Mr Pan, copying and imitating are necessary for one to become creative.()