Advanced level · 11+ exam standard
ultrasound
noun · Say it: UL-truh-sownd
What it means
Advancedsound too high for people to hear, often used by doctors to see inside the body
Bats use ultrasound to find their way around in the dark.
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Advanced level · 11+ exam standard
noun · Say it: UL-truh-sownd
sound too high for people to hear, often used by doctors to see inside the body
Bats use ultrasound to find their way around in the dark.
Loading…