Phosphodihydroxyacetone
磷酸二羥丙酮
??? 情景例句
Who?
誰呀？
He seems very serious, but in fact he has a delightful sense of humor.
他看上去很嚴(yán)肅，其實(shí)很詼諧。
The bison skins were sent by rail to cities to be sold.
野牛皮用火車運(yùn)到城里出售。