He wasn't very lucid, he didn't quite know where he was.他神志不是很清醒，不太知道自己在哪里。His prose is always lucid and compelling.他的散文素来简洁、有力。Its argument is tightly constructed, and its forthright, lucid style exemplifies l...
His prose is always lucid and compelling.他的散文素来简洁、有力。In a rare lucid moment, she looked at me and smiled.在难得清醒的时刻，她看看我，对我笑笑。His explanation was lucid and to the point.他的解释扼要易懂....
Typical framed structures are beams, grids, plane and space frames or trusses.典型构架结构为梁 、 格栅 、 平面的和空间的框架或桁架.Such trusses are called simple trusses.这样的桁架称为简单桁架.The truss comprises four plane trusses each two panels and eac...