But chemical mordents mordants such as allon alum are popular today.但是化学腐蚀剂例如明矾现在很流行.But chemical moments mordants such as alen alum are popular today.但是像明矾这样的化学染剂现今很流向.But chemical mordants such as alum are popular toda...
The best airships were the giant Graf Zeppelin and the luxurious Hindenburg of the 1930s.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建...
The blood drained from his face, leaving the skin dead white.他的脸失去了血色，变得一片死灰。As his energy drained away, his despair and worry grew.当他的精力耗尽时，他的绝望和担心也增加了。The water slowly drained away, down through the porous soil.水慢慢流走了，...