ozone

Ozone, khí ozone

a gas that exists naturally in the atmosphere and helps to protect living things from harmful ultraviolet radiation from the sun

• ozone layer

Collocations protect against UV rays · deplete the ozone layer

• The ozone layer is thinning due to pollution.

  Lớp ozon đang mỏng đi do ô nhiễm.

Khí ozone gây hại cho sức khỏe

a form of oxygen that can be harmful if breathed in large amounts, especially when it is produced by electrical devices such as photocopiers and laser printers

• ozone level

Collocations high levels of ozone · breathing in ozone

• High levels of ozone can cause breathing problems.

  Mức độ ozon cao có thể gây ra các vấn đề về hô hấp.