When he had turned the Angle of the gallery, the distant glimmer of an air-hole disappeared, the curtain of obscurity fell upon him once more, and he became blind again.
当他转过了巷角以后，远处通气洞的光线就消失了，黑幕又在他前面落下，使他再次失明。
2
The Zinc phosphide sticks were inserted into new hole of the gallery from bottom to top, and then the holes had to be blocked with mud.