单词	preform
释义	preform /priːˈfɔːm / verb [with object] (usually as adjective preformed) Form (something) beforehand: a preformed pool... Organs developed in this way are referred to as preformed organs. Short and medium shoots were self-terminated and had only preformed nodes. Nitrogen is more soluble than helium and any preformed bubbles will quickly absorb nitrogen.
随便看	vesicle vesicoureteric reflux vesicular vesiculate vesiculated vesiculation Vespa Vespasian vesper vesperal vespers vesper sparrow vespertilionid vespertine vespiary vespid vespine Vespucci, Amerigo vessel vest vesta vestal Vestal Virgin vested interest vestee

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