Qpos
(qpo 的复数) 拟周期振荡
🗣️ 情景例句
When Alexandra arrives,
等Alexandra到达时，
Good counsel does no harm.
忠言无害。
Jim is writing. Lily isn't writing. She's looking at the blackboard.
吉姆在写字。莉莉没在写字。她在看黑板。