(chemistry) a chemical reaction

沈澱: precipitation; settlement (e.g. of sediment)

沈澱: precipitate; settle

(chemistry) precipitation / settlement (e.g. of sediment)

precipitate / settle

chemistry (branch of natural science)

disgraceful, shameful, indecent / shabby, unsightly

to see, to watch, to observe, to look at something / to look over, to examine, to judge / to take care of, to look after, to keep an eye on somebody

to react chemically / to respond, to react / be responsive, be sensitive

chemical reaction / reaction, response / feedback