Practice: Match the Words

time drown problem sound sound the measured or measurable period during which an action to die from being submerged in water a matter or situation regarded as unwelcome or harmful and needing to be dealt with and overcome vibrations that travel through the air or another medium and can be heard when they reach a person's or animal's ear. vibrations that travel through the air or another medium and can be heard when they reach a person's or animal's ear.