货物原产地证明书huò wù yuán chǎn dì zhèng míng shū
certificate oforigin
优惠原产地证书yōu huì yuán chǎn dì zhèng shū
preference certificate oforigin
原产地yuán chǎn dì
country oforigin; provenance; source area; habitat; sourceland
根gēn
root; base; origin; bottom
根由gēn yóu
cause, origin, reason
根子gēn zǐ
origin, root, source
英语例句库
The cat is the origin of infection which the arch polypite gets sick.
猫是弓形虫体病的传染源。
原声例句
国庆特辑 | 中国力量
China set up a network of fever hospitals where people could go to be tested, and was quick to isolate confirmed cases and track their close contacts to find the origins of infection clusters.