No rails or headboards that can trap a small head.不要装设可能夹住小脑袋的栏杆或床头板.The train left the rails but somehow forced its way back onto the line.火车脱轨了，但总算设法回到了原来的轨道上。The frames are secured by horizontal rails to the back wall...
护照过期是无效的.A passport that is out of date is invalid.今天宇航员将会做最后一次尝试，力图把一颗通信卫星从无效的轨道上抢救下来。Astronauts will make a final attempt today to rescue a communications satellite from its useless orbit.此外，他们还声称任何这样的干预都是完全无效的。Further...
One rule specifies that learner drivers must be supervised by adults...一条规则明确规定，见习驾驶员必须有成人的监督。The third clause of the contract specifies steel sashes for the windows.合同的第三款指定使用钢窗.Specifies if hyperlinks are displayed and...