浸在甲醛中

浸 jinˋ

Immerse, Dip, Gradual

在 zaiˋ

Now, Located, In, At, On, By, Alive, Present, Presently

甲醛 jiaˇ quanˊ

(Formaldehyde) Formaldehyde

中 zhong ˉ zhongˋ

Within, During, Middle, Center, Central, Core, Among, China, Chinese, Neutral, Target, Bullseye, Goal