Trackpad
n. （手指在其上滑动以移动光标的）触控板
🗣️ 情景例句
I was quite surprised when I read in your letter that you had decided not to finish your studies at the university.
当我在你的信中看到你已决定终止大学学业时感到很是惊讶。
You'll hurt your arm, if you don't take care.
你不专心的话，就会伤到你的手指。
Excuse me.
对不起。