aeronautica umbra造句

例句与造句

1. The "'AUT . 18 "'was a prototype fighter aircraft developed in Italy by Aeronautica Umbra shortly before the outbreak of World War II . It was designed in 1934 by Ing Felice Trojani, who at that time was collaborating with Umberto Nobile on the Arctic flights of the airships " Italia ".
2. It's difficult to find aeronautica umbra in a sentence. 用aeronautica umbra造句挺难的