Chemical reagents的用法和樣例：
例句
- It mainly controls the receiving of the chemical from the Day Tank and the supply of the chemical to the P.O.U.
主要控制從日箱接收化學試劑並將其分配到使用點的過程。 - Formalin, a chemical used to prepare samples for microscopy, had crosslinked nucleic acids with protein.
福爾馬林，一種用於鏡檢前的化學試劑，它可以使核酸和蛋白交聯。
