偶尔，在这使人晕眩的深渊处出现一线微光。

At moments, in that dizzy depth, a gleam of light appeared.

youdao

蜡烛在这个很大的房间里仅仅发出一线微光。

The candle made only a glimmer in the vast room.

youdao

仿佛怕人看到似的，细细一线，微光闪烁，恰在自己头上笔直垂落下来。

The thread seemed almost afraid to be seen, emitting a frail, constant light as it came down to just above Kandata's head.

youdao