This is the 17549th most frequent Russian word.
тренируются
"Тренируются" means "are training" or "practice."
The word 'тренируются' is used to describe the act of students practicing or preparing themselves for an exam.
Студенты тренируются перед экзаменом.
Students practice before the exam.
Here, 'тренируются' indicates the daily physical training routine of athletes to maintain or improve their performance.
Спортсмены тренируются каждый день.
Athletes train every day.
In this sentence, 'тренируются' is used to show children actively practicing their language skills to learn new vocabulary.