Acceleration polygon
[机] 加速度多边形
🧩 词语组成解析
polygon
['pɔligən]
n. 多边形，多角形;龟裂状;
🗣️ 情景例句
Tell me about your educational background.
告诉我你的学习背景。
A heavy purse makes a light heart.
腰包钱财足，心境自然宽。
At this time, the man downstairs was trying to sleep.
这时楼下人正试图入睡。