The light is resolved by prisms, gratings, or by an interferometer.光线用棱镜 、 光栅或干涉仪分解.Many of the roofs were so full of holes that they looked like gratings.许多屋顶千穿百孔,象筛子一样.All gratings shall lie flat with no tendency to ro...
The escort and the universal watchfulness had completely isolated him.护送和普遍一致的监视曾经使他完全孤立.A due watchfulness on the movements of the enemy was maintained.他们对敌人的行动还是相当警惕的.These are not the only points to which you look for...
Rival claims to Macedonian territory caused conflict in the Balkans.多方主张拥有对马其顿的领土主权，结果在巴尔干地区引发了冲突。The Macedonian question had failed to get on to the agenda...马其顿问题没能列入议事日程。The republic's new flag was emblazoned wit...