U2. polluting the air

Question 1

block (v)

Answer 1

/blɔk/ ngăn chặn

it blocks dangerous X-rays.

Question 2

ultraviolet ray

Answer 2

tia cực tím

Question 3

upset (v)

Answer 3

làm rối tung, làm xáo trộn

now we upset the balance.

Question 4

aerosol

Answer 4

/ˈer.ə.sɑːl/ bình phun (nước hoa, thuốc trừ sâu)

a metal container in which liquids are kept under pressure and forced out in a spray