不同类型的“天桥”在英语中有不同的对应词。两者的主要差别不在于数量的多寡,而在于空间要素。“天桥”所蕴含的空间要素如视深、视宽、视角等都很大,具有夸张的成分;英语中对应词汇的空间要素主要由“over”和“sky”体现,前者仅表明桥类架空结构的相对位置,在空间要素上没有任何夸张的成分,后者的空间含义与“天”相仿。 Different types of “flyover” have different counterparts in English. The main difference between the two lies not in the quantity but in the space factor. “Sky Bridge ” contains space elements such as depth of field, apparent width, angle of view and so on are large, with exaggerated components; the corresponding spatial elements of English vocabulary mainly by “over ” and "sky The former only shows the relative position of the bridge overhead structure, there is no exaggeration in the spatial elements, the latter has the similar spatial meaning.