单词	trophosphere
释义	trophosphere noun troph·​o·​sphere -ˌsfi(ə)r : the trophoblast of the hedgehog Word History Etymology troph- + sphere
随便看	sack coat sack in sack moth sack out sack race sack suit sack-bearer sack-winged sackage sackages sackbut sackbuts sackcloth sackcloths sacked sacked out sacker sackers sacket sackful sackfuls sacking sacking out sackings sackless

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