Polyspeed
多种速度, 均匀调节速度
🗣️ 情景例句
Didn't you feel terrible?
没有感到可怕吗？
An empty sack cannot stand upright.
空麻袋，立不直。
By this time, a Lancaster bomber in reasonable condition was rare and worth rescuing.
到了那个时候，状况良好的兰开斯特轰炸机实属罕见，值得抢救。