This is the 6935th most frequent Russian word.
анаэробные
"Anaerobic" – relating to or requiring an absence of oxygen.
In this sentence, 'анаэробные' describes organisms that live without oxygen, used as an adjective to show a biological characteristic.
Анаэробные организмы выживают без кислорода.
Anaerobic organisms survive without oxygen.
Here, 'анаэробные' qualifies exercises, indicating a physical activity performed without the need for aerobic respiration.
В спорте важны анаэробные упражнения для укрепления мышц.
In sports, anaerobic exercises are important for strengthening muscles.
In this instance, 'анаэробной' is used to describe an environment, referring to conditions lacking oxygen.