GbEng
一座雄伟的大桥横亘在大江之上。 A magnificent bridge spans the river.
这位女士的年纪在五十岁之上，决不会少于五十岁。 The woman may be above fifty, but (she may) not (be) below fifty.
哲学上的，理论上的建立在思辩或抽象的推论之上的 Based on speculative or abstract reasoning.
它至少能把沉重的仪器携带到大部分大气团之上。 It can at least carry heavy equipment above most of the atmospheric mass.
空域；领空某一特定地区之上的空域，通常是政治划分区，如国家的领空 The portion of the atmosphere above a particular land area, especially that of a political subdivision such as a nation.
敌人就在背后，而前面横跨在深谷之上的桥已经腐朽不堪，摇摇晃晃。他处在两难之中，犹豫了起来。 His enemy was close behind him, and the bridge over the ravine was rotten and swaying. Caught between the devil and the deep blue sea, he hesitated.
我们的友谊是建立在无产阶级国际主义之上的。 Our friend ship is built on proletarian, internationalism.
模态逻辑命题的限制条件，建立在其内容的肯定或否定其可能性，不可能性，偶然性或必然性基础之上 The classification of propositions on the basis of whether they assert or deny the possibility, impossibility, contingency, or necessity of their content.