Without whale oil, so the thinking went, the world would slide backward toward darkness.

按照这样的思维下去，如果没有鲸鱼油，世界将会倒退回黑暗时代。

youdao

Without whale oil, so the thinking went, the world would slide backward toward darkness.

按照这样的思维下去，如果没有鲸鱼油，世界将会倒退回黑暗时代。

youdao