向下倾 meaning in English

downdip

The count first reached an open space and franz followed him closely . the passageway sloped in a gentle descent , enlarging as they proceeded ; still franz and the count were compelled to advance in a stooping posture , and were scarcely able to proceed abreast of one another
伯爵先钻进了一个四方形的洞，弗兰兹紧跟着进来，这条狭径微向下倾，愈下愈宽但弗兰兹和伯爵依旧不得不弯着腰前进，而且仅能容两个人并排走。