boletic acid的用法和樣例：
例句
- In this paper, the method of the synthesis of fumaric acid modified rosin was studied.
富馬松香由富馬酸對松香經(jīng)過(guò)加成改性而成。 - By using concentrated chlorhydric acid as catalyst,one-step reaction takes place between maleic anhydride and methanol and obtains dimethyl fumarate.
馬來(lái)酸酐與甲醇在濃鹽酸催化作用下，經(jīng)一步反應生成富馬酸二甲酯。
