This is the 17438th most frequent Russian word.
тестостерона
The Russian word "тестостерона" translates to "testosterone," a hormone primarily associated with male secondary sexual characteristics and overall health.
The word 'тестостерона' is used as a noun in the genitive case to indicate possession or association with 'level'.
Уровень тестостерона у мужчины влияет на его физическую силу.
The level of testosterone in a man affects his physical strength.
Here, 'тестостерона' is in the genitive case, showing the need for measurement or determination of its quantity.
Для проведения эксперимента необходимо измерить количество тестостерона.
To conduct the experiment, it is necessary to measure the amount of testosterone.
In this sentence, 'тестостерона' remains in the genitive case, describing the 'level' that undergoes change.