Polyspeed
多种速度, 均匀调节速度
🗣️ 情景例句
He said they need a new book of photographs,
他说他公司需要一本新的摄影集，
It is my job to introduce the foreign guests who will be spending the week with us here.
我的责任是介绍这些将与我们共度这一周的外国客人们。
Sorry. I'm free every day except today.
对不起。我每天都有空，唯独今天没空。