单词	region of variation
释义	region of variation 变化区域
随便看	special administrator special adoption special advantage special advantage industries Special advantage industry special advantages special adviroty message special advised credit special adviser special adviser on cyprus Special Adviser to the King Special Advisory Broadcast Special Advisory Committee special advisory message Special Aerial Spray Flight special aeronautical chart special aeronautical material Special Aeronautical Requirement special aesthetic education special agency specialagent special agricultural zone special agriculture special agro-product special-aid measure