tapping
1.
sự sửa gót giày, sự tát khẻ, sự vổ nhẹ
the action of striking against something with a quick light blow or blows, or a sound made in this way.
:
•
crews heard tapping from deep underground
sự sửa gót giày, sự tát khẻ, sự vổ nhẹ
the action of striking against something with a quick light blow or blows, or a sound made in this way.