chemical

The factory was fined for dumping dangerous chemicals into the nearby river.

(Chinese) 该工厂因向附近河流排放危险化学品而被罚款。

Always wear gloves when handling strong household chemicals like bleach.

(Chinese) 在处理漂白剂等强效家用化学品时，请务必戴上手套。

The chemical reaction between baking soda and vinegar produces carbon dioxide.

(Chinese) 小苏打和醋之间的化学反应会产生二氧化碳。

Scientists analyzed the chemical composition of the rock sample from Mars.

(Chinese) 科学家分析了来自火星的岩石样本的化学成分。