Its main bridge - a huge concrete structure - now lies concertina ed on the riverbed.钢筋混凝土结构的主要桥梁,被扭扁坍塌在河床.Fanfold: Also called Accordion fold , Concertina fold , Over and back fold , Zigzag fold.扇形摺: 亦称风琴摺, 之字摺.High sto...
含磁铁岩的岩栓不规则地分布于关键带的基底以上.Magnetitite - bearing plugs are found erratically from the base of the Critical Zone.在直径约1/2英里的地区的地表上有磁铁岩转石分布.An area about half - a - mile in diameter is surface strewn with blocks of magnetitite....
The debater was quick on the draw.辩论者思维敏捷.The debater's argument failed of logical connection.辩论者的论点缺少逻辑上的连贯性.He was a brilliant debater and his gift of repartee was celebrated.他擅长辩论,以敏于应答著称....