infrasound
infrasound nghĩa là hạ âm
Các nghĩa
-
hạ âm
Sound waves having a frequency below the human audible range (below about 20 Hz).
Scientists think that giraffes use infrasound to communicate over long distances.
Dạng khác
- infrasounds plural
infrasound nghĩa là hạ âm
hạ âm
Sound waves having a frequency below the human audible range (below about 20 Hz).
Scientists think that giraffes use infrasound to communicate over long distances.