battle (v)
/ˈbæt̬·əl/
đấu tranh, vật lộn, chiến đấu
to try very hard to deal with a difficult situation
![battle](https://7vel.com/assets/assets-v2/img/library/battle.jpg)
hierarchy (n)
/ˈhɑɪ·əˌrɑr·ki/
hệ thống cấp bậc
system in which people or things are put at various levels or ranks according to their importance
![hierarchy](https://7vel.com/assets/assets-v2/img/library/hierarchy.jpg)
in the trenches (phrase)
/ɪn ðə trentʃ/
chiến hào
a long, deep hole dug in the ground in which soldiers can be protected from enemy attacks
![in the trenches](https://7vel.com/assets/assets-v2/img/library/in the trenches.jpg)
mobilize (v)
/ˈmoʊ·bəˌlɑɪz/
vận dụng
to find and start to use something that is needed for a particular purpose
![mobilize](https://7vel.com/assets/assets-v2/img/library/mobilize.jpg)
medicine (n)
/ˈmed·ə·sɪn/
thuốc, thuốc men
a substance that you take to treat an illness, especially a liquid that you drink
![medicine](https://7vel.com/assets/assets-v2/img/library/medicine.jpg)
mosquito (n)
/məˈskiː.t̬oʊ/
con muỗi
a small flying insect that bites people and animals and sucks their blood
![mosquito](https://7vel.com/assets/assets-v2/img/library/mosquito.jpg)
plague (v)
/pleɪɡ/
gây bệnh dịch cho
to cause someone or something difficulty or suffering, esp. repeatedly or continually
![plague](https://7vel.com/assets/assets-v2/img/library/plague.jpg)
vaccinate (v)
/ˈvæk·səˌneɪt/
chủng ngừa, tiêm chủng
to give someone a vaccine, usually by injection, to prevent them from getting a disease
![vaccinate](https://7vel.com/assets/assets-v2/img/library/vaccinate.jpg)
smallpox (n)
/ˈsmɔlˌpɑks/
bệnh đậu mùa
an extremely infectious viral disease that causes fever, spots on the skin, and often death
![smallpox](https://7vel.com/assets/assets-v2/img/library/smallpox.jpg)
![](themes/7vel/images/chan_ghichu.png)
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