burnt itself out

• v. 烧尽

例句

用作动词 (v.)

1. It took hours for the ruins to smoulder out.
   废虚燃了几个小时才烧尽。
2. As the first rocket burns out, the second-stage motor ignites.
   当第一级火箭燃料烧尽时，第二级火箭的发动机就点燃了。