Trackballs
(trackball 的复数) n. 追踪球；轨迹球
🗣️ 情景例句
Have you been waiting for me for a long time?
你已经等我很久了吗？
Though malice may darken truth,it cannot put it out.
恶意可以糟塌真理；但无法消灭真理。
Neither can I.
我也不能。