The red stuff that you often see being dropped from planes and helicopters is a chemical retardant that contains phosphate fertilizer, which helps to slow and cool down the fire.
通常你见到的从飞机和直升机上洒下的红色物质就是一种化学延缓剂，这种延缓剂含有磷肥，能够减缓和冷却火。
The team branch is red to highlight that it is less stable, i.e. the stuff on that branch passes the unit tests but it might not be integration tested and might not be stable enough for release.
团队分支是红色的，表示它不太稳定；例如：这个分支通过了单元测试，但是它可能还没有完成集成测试，所以还没有稳定到可以发布的状态。
Most oilfields are in the landlocked south, which needs northern pipelines to Port Sudan on the Red Sea to export the stuff.
许多油田位于南方内陆，出口需要北方的石油管道运往位于红海的港口。
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