noun [C]
1 a heavy load that you carry:
The little donkey struggled under its heavy burden.
2 something difficult or unpleasant that you have to deal with or worry about:
the burden of responsibility
My elderly mother worries that she's a burden to me.
Buying a house often places a large financial burden on young couples.
gánh nặng
tuberculosis
noun [U] (ABBREVIATION TB)
a serious disease which is infectious and can attack many parts of a person's body, especially their lungs
bệnh lao
malaria
noun [U]
a disease that you can get from the bite of a particular type of mosquito (= a small flying insect), which causes periods of fever and makes you feel very cold and shake. It is common in many hotter parts of the world.
bệnh ốt rét