公约

❶covenant; convention;pact;treaty
❷joint pledge
《北大西洋～》（北约） North AtlanticTreaty/爱国卫生～ patriotic public health pledge /服务～ service pledge (given by workers in the service trades)/（已生效）～缔约国State Parties to the Convention/（未生效）～缔约国signatories;ratifiers