envelopment英 [ɪnˈvɛləpmənt]美 [ɪnˈvɛləpmənt]n. 包封,包围,封皮(套),划圆缠绕(阻挠)复数:envelopments COCA.43155英英释义nounthe act of enclosing something inside something elseSynonym:enclosureenclosinginclosure双语例句