hot residue

例句：

1. 1. The hot residue fromthe chemical reaction is dangerous to breathe.
   化学反应产生的热残留物对呼吸有害。
2. 2. The hotresidue was found in the bottom of thecontainer.
   在容器底部发现了热残留物。
3. 3. Thehot residue could be a sign of contamination in the food processing plant.
   热残留物可能是食品加工厂污染的迹象。