chemical agent

同根派生

"A sweet temper" is a figurative expression, but "sweet coffee" is not.
"甜蜜的性情"是个比喻的说法，而"甜咖啡"则不是。
The chemical dissolves into its constituent parts when heated.
该化学药剂加热时会分解成其组成的分子。
It mainly controls the receiving of the chemical from the Day Tank and the supply of the chemical to the P.O.U.
主要控制从日箱接收化学试剂并将其分配到使用点的过程。
Formalin, a chemical used to prepare samples for microscopy, had crosslinked nucleic acids with protein.
福尔马林，一种用于镜检前的化学试剂，它可以使核酸和蛋白交联。