单词	caprolactam
释义	caprolactam noun cap·​ro·​lac·​tam ˌka-prō-ˈlak-ˌtam  : a white crystalline cyclic amide C6H11NO used especially in making one type of nylon Word History Etymology caproic acid + lactone + amide First Known Use 1944, in the meaning defined above
随便看	beshrouded beshrouding beshrouds beside beside oneself beside the point besider besides besidest besiege besieged besiegements besieger besiegers besieges besieging besiegingly besiegings besilver besing besits besitting Beskids beslabber beslave

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