单词	trophamnion
释义	trophamnion noun troph·​amnion träf+ : a nutritive sheath that sometimes invests the embryonic portion of the insect egg especially in polyembryonic insects see paranucleus Word History Etymology New Latin, from troph- + amnion
随便看	seed fish seed hair seed itself seed lac seed leaf seed money seed of one's own destruction seed oyster seed pan seed parent seed pearl seed piece seed plant seed planter seed plate seed plow seed potato seed snipe seed stitch seed stock seed tick seed treatment seed tree seed vessel seed weevil

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