holding firm短语¹¹⁴⁴⁶⁷⁺⁴ 基本例句 抓牢；固守 For holding firm to this idea of plural worlds, Giordano Bruno spent7 years in a dungeon; then, on17 February1600, he was led to a public square in Rome and burned at the stake. 为了坚持自己的多地球理论，布鲁诺在地牢里呆了七年；之后，在1600年2月，他被烧死在罗马的一个公共广场上。 yeeyan