This can be difficult to do in some African nations where many people have AIDS but where testing laboratories are in short supply.

在非洲一些国家很难做到这一点，因为那里有很多人身患艾滋病，但缺少化验实验室。

Among other requirements, they will have to build testing laboratories on all ships and make their own plans to isolate or quarantine passengers at ports, if needed.

在其他的要求中，他们必须在所有船只上建立检测实验室，并在需要时制定自身计划在港口隔离或检疫旅客。

The World Anti-doping Agency, known as WADA, has restored the license of the new drug testing laboratory in Rio De Janeiro, allowing it to operate during the next Olympic Games.

世界反兴奋剂机构WADA重新授予里约新药测试实验室的许可证，允许其在奥运会期间运营。