This redstuff however turns out to be not too bad.
然而，这红色的东西原来是不是太糟糕。
2
Your cholesterol levels are determined through a simple blood test, so you'll need to get your arm tapped for the redstuff.
你的胆固醇水平通过简单的验血决定，所以你需要将你的手臂伸向红色的东西。
3
The redstuff 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.