1. 新型冠状病毒：novel coronavirus (2019-nCoV)

新型冠状病毒感染的肺炎

pneumonia caused by the novel coronavirus

2. 口罩：mask

医用外科口罩: surgical mask

N95口罩：N95 mask

你出门一定要戴口罩。

You must wear a mask when you go out.

外科医生戴着口罩以防止传染病的传播。

Surgeons wear masks to prevent the spread of infection.

3. 隔离：quarantine

他五天后将解除隔离。

He will be out of quarantine after five days.

4. 潜伏期：incubation period

专家称，病毒的潜伏期长达14天。

The incubation period of the virus is up to 14 days, experts said.

5. 飞沫传播：droplet transmission

新型冠状病毒会通过飞沫传播。

The 2019-nCoV will spread through droplets.