黑色三角形 meaning in English

black triangle

There were five or six of these mansions on the quay , from the house of lorraine , which shared with the bernardins the grand enclosure adjoining the tournelle , to the hotel de nesle , whose principal tower ended paris , and whose pointed roofs were in a position , during three months of the year , to encroach , with their black triangles , upon the scarlet disk of the setting sun
沿河街道上有五、六座这样的大厦，诸如与贝尔纳丹修道院共用小塔旁边大院墙的洛林公馆，再如纳勒公馆，其主塔正好是巴黎的标界，那黑色三角形的尖形屋顶一年当中有三个月把殷红的夕阳遮住了一角。