từ vựng tuần 1

medicines or things that make us feel better

(a)  

repeated in the same way

(a)  

based on scientific observations and experiments

(a)  

extremely important

(a)  

to connect or relate two things

(a)  

to slow or prevent

(a)  

to return to its original condition

(a)  

factors in a situation

(a)  

artificial; human-made

(a)  

signs of illness

(a)