Their missile silos are below ground.他们的导弹发射井在地下.The missile buried itself deep in the grassy hillside.导弹深深地埋在杂草丛生的山坡上。The missile control system composed of two pares, the controller and the controlled object.粗略地看,导弹控制系...
If you have vertigo it seems as if the whole room is spinning round you.如果你头晕，就会觉得整个房间都旋转起来。He had a dreadful attack of vertigo.他忽然头晕得厉害。True vertigo should be distinguished from pseudovertigo.真性眩晕应当与假性眩晕区别开来....