不變的,一定的
unvarying adj 1: persistent in occurrence and unvarying in nature; "maintained a constant temperature"; "a constant beat"; "principles of unvarying validity"; "a steady breeze" [syn: {changeless}, {constant}, {invariant}, {steady}] 2: lacking variety [syn: {unvaried}] [ant: {varied}] 3: always the same; showing a single form or character in all occurrences; "a street of uniform tall white buildings" [syn: {uniform}] [ant: {multiform}]