单词	prepolymer
释义	prepolymer noun pre·​polymer ¦prē+ : a stable usually partially polymerized chemical intermediate that can be fully polymerized at a later time compare monomer Word History Etymology pre- + polymer First Known Use 1948, in the meaning defined above
随便看	picturegoer picturegoers pictureless picturelike picturephone picturephones ramp ramp (up) ramp up ramp valley ramp-up rampage rampaged rampageous rampageously rampageousness rampageousnesses rampagers rampages rampaging Rampal rampallian rampallion rampancies rampancy

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