clean bill of health
clean bill of health是什么意思、clean bill of health怎么读
【经】 船内安全报告, 健康证明书
clean bill of health汉语翻译
【经】 船内安全报告, 健康证明书
clean bill of health英语解释
名词 clean bill of health:
- an assurance that someone is healthy or something is in good condition