Vulcanization, a refined version of this process, transformed the white SAP from the bark of the Hevea tree into an essential product for the industrial age.
硫化是橡胶加工过程中的改进做法,它能把取自橡胶树皮的白色浆液变成工业时代不可或缺的产品。
More critically, this time around SAP, like the White House, needs more than just a new personality at the top.
更关键的是,在这个时代,SAP像白宫一样需要仅有高层领导的人格是不够的。
Mrs. White boiled down the maple sap to a thick syrup.
怀特夫人把枫木汁煮成浓糖浆。
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