Cholera

US /ˈkɑlərə/

UK /ˈkɒlərə/

B2 中高級
n.名詞霍亂
An outbreak of cholera swept through Pakistan following the devastating floods

影片字幕

Flocculation

05:35Flocculation

The 1850s map that changed how we fight outbreaks

06:57The 1850s map that changed how we fight outbreaks