合唱发明

pure invention───纯粹的发明

police intervention───警方干预

circumvention───n.规避；陷害；绕行

clear intention───明确的意图

convention───n.大会；[法]惯例；[计]约定；[法]协定；习俗

postconvention───postconvention

preconvention───n.大会前

reinvention───重塑；再造

sole intention───唯一意图

• choric figure
• choric invention