同心球面是平行的.Concentric spheres are parallel.这两条路是平行的.These two roads are parallel.两根平行的传爆线间距离不小于0.2米.The distance between parallel cables is at least 0.2 m....
There are seasoned professionals who can teach you and show you what to do...有经验丰富的专家教你，并向你演示怎么做。Seasoned veterans were picked to storm the difficult enemy position.有经验的老兵被挑选出来去突袭难攻的敌军阵地.He began acting with the confiden...