in.vo.lu.crumn.(名词)【复数】 in.vo.lu.cra[-kr…] An enveloping sheath or envelope.外皮或包膜:一个包装壳或外壳来源:New Latin 现代拉丁语 from Latin [wrapper, envelope] 源自 拉丁语 [包装物,信封] from involvere [to enwrap] * see involve 源自 involvere [包,围绕] *参见 involve