- fire unsealing
- 打开: open; unfold
- 火: fire
- 区: H region; H
- 火区: burning area; burning section; fire district; fire zone; sideburn
- 开火: open fire; engage in battle; fire 向敌人开火 fire at the enemy; 拂晓时敌人向我阵线开了火。 the enemy opened fire on our lines at early dawn
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