bill of health

详细解释:【法】 健康证明书

词型变化：

名词复数:bof:health:

英语解释：

名词 bill of health:

a certificate saying that a departing ship's company is healthy (to be presented at the next port of arrival)

例句：

The ship left Guangzhou with a clean bill of health.该船带着一份无疫证明书离开了广州。