be in duty bound to
导读：be in duty bound to读音音标
英 [bi: in ˈdju:ti baund tu:]美 [bi ɪn ˈduti baʊnd tu]
be in duty bound to意思解释
v.有义务；
英 [bi: in ˈdju:ti baund tu:]美 [bi ɪn ˈduti baʊnd tu]
be in duty bound to意思解释
v.有义务；
be in duty bound to读音音标
英 [bi: in ˈdju:ti baund tu:]
美 [bi ɪn ˈduti baʊnd tu]
be in duty bound to意思解释
v.
有义务；
