touchpad
noun [ C ] uk/ˈtʌtʃ.pæd/ us/ˈtʌtʃ.pæd/
(also trackpad)（电脑等的）触摸板
a special area on a laptop or other computer that you touch in order to move the cursor or give an instruction
（机器，如微波炉上的）触控板，触摸板
a small area that you touch to choose something or give an instruction on a device such as a microwave