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	phthalimide phthalo phthalocyanine phthalocyanine blue phthalocyanine green phthalyl phthalylsulfathiazole phthalylsulphathiazole phthanite phthiocol phthioic acid Phthiraptera phthirapteran phthiriasis phthirophagous phthisiatry phthisic phthisical phthisiogenesis phthisiogenetic phthisiologist phthisiology phthisiophobia phthisiotherapist phthisiotherapy

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