granny knot英 [ˈɡræni nɒt]美 [ˈɡræni nɑːt]n. 老奶奶结(不整齐的双环结)医学牛津词典noun老奶奶结(不整齐的双环结)an untidy double knot英英释义nouna reef knot crossed the wrong way and therefore insecureSynonym:granny