The best airships were the giant Graf Zeppelin and the luxurious Hindenburg of the 1930 s.最好的飞船是20世纪30年代特大的齐柏林号和豪华的兴登堡号.The reason for the British bias towards airships at this stage is not hard to deduce.弄清英国人在这个阶段如此热衷于...
We corresponded regularly.我们定期通信。Janet and Bob corresponded for many years before they met.珍妮特和鲍勃会面之前已通信多年.Mary and Tom had corresponded with each other before they met.玛丽和汤姆见面前已互相通过信....