Meet our chemist, Harriet.
She has a chemical reaction that needs to occur more quickly.
A chemist has some processes at her disposal
that can help her speed up her reaction,
and she knows of five way
分类目录归档:cheical
Meet our chemist, Harriet.
She has a chemical reaction that needs to occur more quickly.
A chemist has some processes at her disposal
that can help her speed up her reaction,
and she knows of five way