词汇	difficult country
释义	difficult country n.难通行地区
随便看	minimum erythema dosemed minimum essential Minimum Essential Backup minimum essential circuit list Minimum Essential Criteria Minimum Essential Equipment Minimum Essential Facilities Minimum Essential Force Minimum Essential Functional Task Minimum Essential Functions Minimum Essential Information Infrastructure Minimum Essential Information Requirement minimum essential medium minimum essential quantity Minimum Essential Repair Projects Minimum Essential Requirement minimum essentials Minimum Essential Subsystem List Minimum Essential Training Requirements minimum estimate minimum ethal dose minimum Euclideam distance minimum euclidean distance minimum eut set minimum event