That part of the smoke which is air, and which is noticed usually in the quivering of the smoke, soon becomes invisible.
That part of the smoke which is air, and which is noticed usually in the quivering of the smoke, soon becomes invisible.
user
Та частина диму, яка є повітрям, і яку помічають зазвичай при тремтінні диму, незабаром стає непомітною.
assistant