Opposite of: good
Bad
Opposite of: expensive
cheap
Opposite of: small
Large/ big
Opposite of: Low
High
Opposite of: easy
difficult
Opposite of: tidy
Untidy/ messy
bằng chứng
evidence
ốc tai xương
cochlea
sự rung (động)
vibrations
rung động
vibrate
How are sounds made?
Sound are made when things vibrate.
What is a vibration?
A vibration is a very quick movement back and forth.
Can you see vibrations?
No, I can't but I can feel them.
What will vibrate when you pluck it?
The guitar strings
