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	Hayes, Rutherford hay fever hayfield hay fork haying Hay, John Milton haylage hayloft haymaker haymaking Haymarket Square haymow hayrick hayride hayseed haystack Hayward Hayward, Susan Hay, Will haywire Hayworth, Rita hazard hazard light hazardous hazardously

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